Possibility of life on other planets of our solar system

The universe is of all space and time and their content; including; solar system, planets, stars, milky way, galaxy, asteroids, natural satellites etc.

The solar system is a gravitationally bound system comprising of sun and objects that orbit it directly or indirectly connected. It was formed 4.6 Billion years ago.

A planet is an astronomical body, massive enough to be rounded by its own gravity. The term planet is ancient; with ties to history, astrology, science, mythology, and religion. There are two types of planets – Terrestrial and Giant.

Terrestrial planets-

Mercury, Venus, Earth, and Mars.

Giant planets –

Gas giants – Jupiter and Saturn

Ice giants – Uranus and Neptune.

A natural satellite or moon is, in the most common usage, an astronomical body that orbits a planet. In the solar system, there is six planetary system containing 175 known natural satellites. The first known natural satellite “Moon” but it was considered a “Planet” until 1543.

For human survival:-

Oxygen, Water, Food, Shelter, Sleep, Sanitation, Adequate temperature, Sunlight, Solid surface to step on, an Atmospheric pressure is a must.

So here are full data regarding Possibilities of life on another planet including Moon:

  1. Life on Mercury
  2. Life on Venus
  3. Life on Mars
  4. Life on Moon
  5. Life on Saturn
  6. Life on Jupiter
  7. Life on Neptune
  8. Life on Uranus

 

Life on Mercury

Life on MercuryLife on MercuryLife on Mercury- Share as status..

Named after Roman deity “Mercury: the messenger of Gods“. The first, smallest and an innermost planet of the solar system.

The surface temperature of Mercury range from 80 K or -193.15°C to 700 K or 428.65°C. This large range in surface temperature may be because – Mercury is so close to the Sun.

The planet has no natural satellites.

Mercury’s atmosphere-

The surface temperature of Mercury range from 80 K or -193.15°C to 700 K or 428.65°C. This large range in surface temperature may be because – Mercury is so close to the Sun.

Mercury is even smaller than Ganymede (Natural satellite of Jupiter), Titan(Natural satellite of Saturn). It has the solid surface to step on. Mercury has almost no atmosphere and very weak gravity. Even though there, that atmosphere is really, very thin.

Mercury’s atmosphere contains a small amount of hydrogen, helium, and oxygen. It also has even tinier amounts of sodium, potassium, calcium, and magnesium.

Recent data on Mercury

Recent data and study show that water ice may exist at the bottom of craters of Mercury poles. The planet used to shrink in the past, chances of shrinking may be possible today and in future.

The astronomers have wondered whether there is any water on Mercury. There is neither lake nor ocean on the planet. Even if there it would have been detected from Earth easily.

The planet rotates very slowly and has a huge difference in temperature. Any water on the surface will boil/evaporate and escape into space. Mercury has low gravity.

Mercury is not a planet that would be easy to survive on but it may not be impossible. It is worth noting that without space suit you would not survive very long but to lack of atmosphere.

 

Life on Venus

Venus named after Roman Goddess of love and beauty. The second planet from the sun, having a longest rotational period(243 days). The planet rotates in opposite direction. It does not have any natural satellites. It is the second-brightest natural object in the night sky.

The atmosphere on Venus:

The average temperature on this planet is 737 K or 462°C. The atmosphere contains 96 % of Carbon dioxide,3.5 % of Nitrogen and a small amount of Sulfur dioxide, Argon, Water vapor, Carbon monoxide, Helium, Neon. Venus is by far the hottest planet in the Solar System, with a mean surface temperature of 735 K (462°C), the minimum surface temperature is of 53 K(-220°C)even though Mercury is closer to the Sun.

Venus is the twin sister of Earth

Venus is one of the four terrestrial planets in the Solar System, meaning that it is a rocky body like Earth. It is similar to Earth in size and mass, and is often described as Earth’s “sister” or “twin”.
The planet Venus has more volcanoes than Planet Earth, the reason its crust is older.

 Recent Study

Studies have suggested that billions of years ago Venus’s atmosphere was much more like Earth’s than it is now and that there may have been substantial quantities of liquid water on the surface, but after a period of 600 million to several billion years, a greenhouse effect was caused by the evaporation of that original water, which generated a critical level of greenhouse gases in its atmosphere. Although the surface conditions on Venus are no longer suitable as of Earthlike life that may have formed before this event, there is speculation on the possibility that life exists in the upper cloud layers of Venus, 50 km (31 mi) up from the surface, where the temperature ranges between 303 and 353 K (30 and 80 °C; 86 and 176 °F) but the environment is acidic.

Venus has an extremely slow rotation, winds at the surface are slow, moving at a few kilometers per hour, but because of the high density of the atmosphere at the surface, they exert a significant amount of force against obstructions, and transport dust and small stones across the surface. This alone would make it difficult for a human to walk through, even if the heat, pressure, and lack of oxygen were not a problem.

 Alternative facts about Venus

1. Winds on planet Venus move at very high speed, up to 60 times that of Earth.

2. Venus Express also discovered, in 2011, that an ozone layer exists high in the atmosphere of Venus.

3. Venus has no natural satellites. To the naked eye, Venus appears as a white point of light brighter than any other planet or star (apart from the Sun).

4. Venus “overtakes” Earth every 584 days as it orbits the Sun.

5. As it does so, it changes from the “Evening Star”, visible after sunset, to the “Morning Star”, visible before sunrise.

6. Venus is a primary feature of the night sky, and so has been of remarkable importance in mythology, astrology, and fiction throughout history and in different cultures.

Venus and Feminism:

The astronomical symbol for Venus is the same as that used in biology for the female sex: a circle with a small cross beneath. The Venus symbol also represents femininity.

Due to the harsh conditions on the surface, little of the planet has been explored; in addition to the fact that life as currently understood may not necessarily be the same in other parts of the universe.

There isn’t any water on the surface of Venus, in form of rivers, lakes or oceans.
The average temperature on Venus is 461.85 °C. Since water boils at 100 °C, it couldn’t be on the surface.

Venus is not a planet that would be easy to survive on.

Life on Moon

Life on MoonLife on MoonLife on Moon

 

The Moon is an astronomical body that orbits planet Earth and is Earth’s only permanent natural satellite.
It is the fifth-largest natural satellite in the Solar System and the largest among planetary satellites relative to the size of the planet that it orbits. The Moon is after Jupiter’s satellite Io the second-densest satellite in the Solar System.

The atmosphere on Moon:

Temperatures on the moon are very hot in the daytime, about 100°C. At night, the lunar surface gets very cold, as cold as -173°C. This wide variation is because Earth’s moon has no atmosphere to hold in heat at night or prevent the surface from getting so hot during the day.

Alt Facts about Moon:

  1. The Moon is thought to have formed about 4.51 billion years ago, some 60 million years after the origin of the Solar, not long after Earth.
  2. The most widely accepted explanation is that the Moon formed from the debris left over after a giant impact between Earth and a Mars-sized body called Theia. 
  3. **Lunar water** is water that is present on the Moon.
  4. Liquid water cannot persist at the Moon’s surface, and water vapor is decomposed by sunlight, with hydrogen quickly lost to outer space.

However, scientists have since the 1960s conjectured that water ice could survive in cold, permanently shadowed craters at the Moon’s poles. Water molecules are also detected in the thin layer of gases above the lunar surface.

Recent studies (updates)

The possibility of ice in the floors of polar lunar craters was first suggested in 1961 by Caltech researchers Kenneth Watson, Bruce C. Murray, and Harrison Brown.

Although trace amounts of water were found in lunar rock samples collected by Apollo astronauts, this was assumed to be a result of contamination, and the majority of the lunar surface was generally assumed to be completely dry.

However, a 2008 study of lunar rock samples revealed evidence of water molecules trapped in volcanic glass beads.

In a breakthrough, On 24 September 2009 Science magazine reported that the Moon Mineralogy Mapper (M3) on the Indian Space Research Organisation’s (ISRO) Chandrayaan-1 had detected water on the Moon.

 

Life on Mars

life on mars life on Mars

Mars Named after Roman God of Wa. It is the fourth planet and second smallest planet in the Solar system.

It is often referred as “Red Planet” because of reddish iron oxide prevalent on its surface gives it a reddish appearance that is distinctive among the astronomical bodies visible to the naked eye. It has two natural satellites Phobos and Deimos.

The atmosphere on Mars:

Liquid water cannot exist on the surface of Mars due to low atmospheric pressure, which is less than 1% of the Earth. The Phoenix lander returned data showing Martian soil to be slightly alkaline and containing elements such as magnesium, sodium, potassium, and chlorine. These nutrients are found in soils on Earth, and they are necessary for the growth of plants.

The atmosphere of Mars consists of about 96% carbon dioxide, 1.93% argon and 1.89% nitrogen along with traces of oxygen and water. The atmosphere is quite dusty.

Martian surface temperatures vary from lows of about −143 °C (−225 °F) at the winter polar cap to highs of up to 35 °C (95 °F) in equatorial summer. The wide range in temperatures is due to the thin atmosphere which cannot store much solar heat, the low atmospheric pressure.

The possibility of life on the planet Mars is a subject of significant interest to astrobiology due to its proximity and similarities to Earth. To date, no proof has been found of past or present life on Mars. However, cumulative evidence is now clear that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms. The existence of habitable conditions does not necessarily indicate the presence of life.

Natural satellites of Mars:

Phobos:

The innermost and larger of the two natural satellites of Mars, the other being Deimos. Both moons were discovered in 1877 by American astronomer Asaph Hall.

Phobos is a small, irregularly shaped object with a mean radius of 11 km (7 mi), and is seven times as massive as the outer moon, Deimos. Phobos is named after the Greek god Phobos, a son of Ares (Mars) and Aphrodite (Venus)

Surface temperature range from about −4 °C (25 °F) on the sunlit side to −112 °C (−170 °F).A person who weighs 68 kg (150 lb) on Earth would weigh about 60 g (2 oz) standing on the surface of Phobos.

The cracks could contain water ice. If so, Phobos could serve as a refueling station for manned Mars-exploration missions. But observations by several spacecraft indicate that there’s less water at the surface of Phobos than in almost any other body in the solar system.

Phobos does not have an atmosphere due to its low mass and low gravity.

Considering water, atmospheric pressure, oxygen, low gravity life may not be possible on Phobos.

Deimos

The smaller and outer of the two natural satellites of the planet Mars, the other being Phobos. Deimos has a mean radius of 6.2 km and takes 30.3 hours to orbit Mars. In Greek mythology, Deimos is the twin brother of Phobos and personified terror.

Discovered in 1877 by American astronomer Asaph Hall.

The average temperature of Deimos is -40.15° This is a similar temperature to that of Phobos, ranging from around −4°C (25°F) on the sunlit side of the moon, down to around −112°C (−170°F) on the shadowed side. Deimos does not have an atmosphere.

Considering water, atmospheric pressure, oxygen, low gravity life may not be possible on Deimos.

Life on Jupiter

life on Jupiter life on Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar system is a gaseous planet. Romans named it after their god Jupiter.

It has 69 moons

The atmosphere on Jupiter:

Surface temperature range from 165 K(-108°C) to 112 K(-161°C).

The planet has 89-91% Hydrogen,10-12% Helium,0.3-0.1% Methane,0.026-0.004% Ammonia,0.0028-0.01% Hydrogen deuteride,0.0006-0.0002% Ethane,0.0004% water.It lacks a well-defined solid surface.

A prominent result is the Great Red Spot, a giant storm that is known to have existed since at least the 17th century when it was first seen by telescope.

The Great Red Spot is a persistent high-pressure region in the atmosphere of Jupiter, producing an anticyclonic storm 22° south of the planet’s equator. It has been continuously observed for 188 years, since 1830. Earlier observations from 1665 to 1713 are believed to be of the same storm; if this is correct, it has existed for at least 350 years. Such storms are not uncommon within the turbulent atmospheres of gas giants. The Great Red Spot is large enough to accommodate Earth within its boundaries.

It has a diameter of 142,984 km (88,846 mi) at its equator. Jupiter has the largest planetary atmosphere in the Solar System, spanning over 5,000 km (3,000 mi) in altitude.

planetary ring system Of Jupiter:

Jupiter has a faint planetary ring system composed of three main segments:

  1. an inner torus of particles known as the halo,
  2. a relatively bright main ring, and
  3. an outer gossamer ring. These rings appear to be made of dust, rather than ice as with Saturn’s rings. The main ring is probably made of material ejected from the satellites Adrastea and Metis.

The possibility of life on Jupiter

People can’t live on Jupiter because there is no solid ground and people can’t stand on it. It is very far away from the sun and it is very cold so humans would freeze.

People can’t breathe in Jupiter because there’s no oxygen in Jupiter there is hydrogen gas.

One of the first things that many people ask about a planet is whether there is water or not. So, naturally, the question ”is there water on Jupiter?” has been asked many times. The answer is yes, there is a small amount of water, but it is not ”on” Jupiter. It is in the form of water vapor in the cloud tops.

Scientists were surprised to find only trace amounts of water on Jupiter. After all, they had reasoned that Jupiter should have more oxygen than the Sun. The oxygen would have combined with the more than abundant hydrogen in the Jovian atmosphere, thus making water a significant component.

Recent Studies

The trouble is that the Galileo spacecraft found that Jupiter’s atmosphere contains less oxygen than the Sun; therefore, water is a minor trace element in the atmosphere.

The planet is a gas giant composed mainly of hydrogen and helium. There is virtually no water to support known life forms. The planet does not have a solid surface for life to develop anywhere except as a floating microscopic organism.

Life on Jupiter is not possible.

The Galilean moons of Jupiter (Io, Europa, Ganymede, and Callisto) were named by Simon Marius soon after their discovery in 1610. However, these names fell out of favor until the 20th century. The astronomical literature instead simply referred to “Jupiter I”, “Jupiter II”, etc., or “the first satellite of Jupiter”, “Jupiter’s second satellite”, and so on. The names Io, Europa, Ganymede, and Callisto became popular in the 20th century, whereas the rest of the moons remained unnamed and were usually numbered in Roman numerals V (5) to XII (12).

Io (Jupiter I) is the innermost of the four Galilean moons of the planet Jupiter. It is the fourth-largest moon, has the highest density of all the moons, and has the least amount of water of any known astronomical object in the Solar System. It was discovered in 1610 and was named after the mythological character Io, a priestess of Hera who became one of Zeus’ lovers.

Temperature ranges from 90K to 130k(-183.15°C to -143.15°C). With over 400 active volcanoes, Io is the most geologically active object in the Solar System. The planet has 90% Sulfur Dioxide. Several volcanoes produce plumes of sulfur and sulfur dioxide that climb as high as 500 km (300 mi) above the surface.Io’s volcanoes can reach 3,000 F (1,649 C).

Considering volcanoes,sulfur dioxide,temperature variation life is not possible on Io.

Europa(Jupiter II), is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet. It is also the sixth-largest moon in the Solar System. Europa was discovered in 1610 by Galileo Galilei and was named after Europa, the legendary mother of King Minos of Crete and lover of Zeus (the Greek equivalent of the Roman god Jupiter).

Temperature ranges from 50K to 102K(-223.15°C to -171.15°C). Europa does have an atmosphere, although tenuous. This atmosphere is composed solely of oxygen. Unlike our atmosphere, the oxygen in Europa’s atmosphere is likely not produced biologically. Europa’s atmosphere is maintained by charged particles that hit its cold surface and produce water vapor. It is far too tenuous for humans to breathe. Europa is primarily made of silicate rock and has a water-ice crust and probably an iron-nickel core.

Life may not be possible on Europa.

Ganymede (Jupiter III) is the largest and most massive moon of Jupiter and in the Solar System. The ninth largest object in the Solar System, it is the largest without a substantial atmosphere. It has a diameter of 5,268 km (3,273 mi) and is 8% larger than the planet Mercury.

Originally called Jupiter III by Galileo, Ganymede was named after a suggestion from German mathematician and astronomer Johannes Kepler. In the Greek story Zeus, a counterpart of Jupiter in Roman mythology, carried the prince Ganymede to Olympus, where he became a cupbearer for the Olympian gods.

Temperature ranges from 70K to 152k(-203.15°C to -121.15°C). Ganymede is composed of approximately equal amounts of silicate rock and water ice.

On 12th March 2015, NASA announced today that researchers using the Hubble space telescope have detected the presence of a saltwater ocean on Ganymede, Jupiter’s largest moon.

The moon has a very thin atmosphere and it does contain small amounts of oxygen but there is not enough to support any form of life.

Considering the fact i.e., lack of oxygen, salty water, cold temperature life may not be possible on Ganymede.

Callisto (Jupiter IV) is the second-largest moon of Jupiter, after Ganymede. It is the third-largest moon in the Solar System after Ganymede and Saturn’s largest moon Titan, and the largest object in the Solar System not to be properly differentiated. Callisto was discovered in 1610 by Galileo Galilei.

Callisto is named after one of Zeus’s many lovers in Greek mythology. Callisto was a nymph (or, according to some sources, the daughter of Lycaon) who was associated with the goddess of the hunt, Artemis.[24] The name was suggested by Simon Marius soon after Callisto’s discovery.

Compounds detected spectroscopically on the surface include water ice,[13] carbon dioxide, silicates, and organic compounds. Temperature ranges from 80K to 165K(-193.15°C to -108.15°C). Callisto is surrounded by an extremely thin atmosphere composed of carbon dioxide and probably molecular oxygen. Callisto has a very tenuous atmosphere composed of carbon dioxide.

As per the report, Callisto may have a liquid ocean tucked under its icy, cratered crust, according to scientists studying data gathered by NASA’s Galileo spacecraft.

“The new data certainly suggest that something is hidden below Callisto’s surface and that something may very well be a salty ocean.”

Considering salty ocean, more carbon dioxide, and less oxygen, cold temperature life may not be possible on Callisto.

Life on Saturn

Life on SaturnLife on SaturnLife on Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant. Saturn is named after the Roman god of agriculture; its astronomical symbol (♄) represents God’s sickle.

Saturn has 62 satellites. Surface temperature ranges from 134K (-139°C) to 84K (-189°C). The planet has around 96% of Hydrogen, Less amount of Helium, Methane, Ammonia, Hydrogen deuteride and ethane.

The planet’s most famous feature is its prominent ring system that is composed mostly of ice particles, with a smaller amount of rocky debris and dust.

The rings extend from 6,630 to 120,700 kilometers (4,120 to 75,000 mi) outward from Saturn’s equator and average approximately 20 meters (66 ft) in thickness. They are composed predominantly of water ice with trace amounts of tholin impurities, and a peppered coating of approximately 7% amorphous carbon. The particles that make up the rings range in size from specks of dust up to 10 m. While the other gas giants also have ring systems, Saturn’s is the largest and most visible.

Like Jupiter, Saturn is suspected to have a rocky core surrounded by hydrogen and helium. However, the question of how solid the core might be is still up for debate. Though composed of rocky material, the core itself may be liquid.

Saturn is almost entirely hydrogen and helium, but it does have trace amounts of other chemicals, including water.

Considering lack of solid surface and oxygen, an excess of hydrogen, cold temperature life may not be possible on Planet Saturn.

Titan is the largest moon of Saturn. It is the only moon known to have a dense atmosphere, and the only object in space, other than Earth, where clear evidence of stable bodies of surface liquid has been found. Titan was discovered on March 25, 1655, by the Dutch astronomer Christiaan Huygens.

Surface temperature is around 93.7 K (−179.5 °C). Around 98 % of Titan atmosphere consists of Nitrogen, followed by Methane and hydrogen. It is the second-largest moon in the Solar System, after Jupiter’s moon Ganymede. Titan is primarily composed of water ice and rocky material.

The atmosphere of Titan is largely nitrogen; minor components lead to the formation of methane and ethane clouds and nitrogen-rich organic smog. The climate—including wind and rain—creates surface features similar to those of Earth, such as dunes, rivers, lakes, seas (probably of liquid methane and ethane), and deltas, and is dominated by seasonal weather patterns as on Earth. With its liquids (both surface and subsurface) and robust nitrogen atmosphere, Titan’s methane cycle is analogous to Earth’s water cycle, at the much lower temperature of about 94 K (−179.2 °C). Titan lacks surface water and even if there it is water ice.

Excess of nitrogen, lack of surface water, lack of oxygen, very cold temperature these factors might make life impossible on Titan. Enceladus is the sixth-largest moon of Saturn. It is about 500 kilometers (310 mi) in diameter. Enceladus is mostly covered by fresh, clean ice, making it one of the most reflective bodies of the Solar System. Consequently, its surface temperature at noon only reaches −198 °C (−324 °F).

The atmosphere of Titan consists of 91 % water vapor, the trace amount of nitrogen, carbon dioxide and methane.Temperature ranges from 32.9K(-240.0°C) to 145K(-128.0°C).

Enceladus was discovered on August 28, 1789, by William Herschel; but little was known about it until the two Voyager spacecraft, Voyager 1 and Voyager 2, passed nearby in the early 1980s.

Saturn’s moon Enceladus is an active water world with a global body of water sloshing around deep below its icy crust, scientists have confirmed.

Since Enceladus has Most of the Nitrogen in the atmosphere, very cold temperature range, water ice, lack of oxygen life may not be possible on Enceladus.

Life on Uranus

Life on UranusLife on Uranus

Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is the only planet whose name is derived directly from a figure from Greek mythology, from the Latinised version of the Greek god of the sky Ouranos.

Wind speeds can reach 250 meters per second (900 km/h; 560 mph). Uranus is similar in composition to Neptune, and both have different bulk chemical composition from that of the larger gas giants Jupiter and Saturn. For this reason, scientists often classify Uranus and Neptune as “ice giants” to distinguish them from the gas giants. Uranus’s atmosphere is similar to Jupiter’s and Saturn’s in its primary composition of hydrogen and helium, but it contains more “ices” such as water, ammonia, and methane, along with traces of other hydrocarbons. It is the coldest planetary atmosphere in the Solar System, with a minimum temperature of 49 K (−224 °C; −371 °F), and has a complex, layered cloud structure with water thought to make up the lowest clouds and methane the uppermost layer of clouds.

Like the classical planets, Uranus is visible to the naked eye, but it was never recognized as a planet by ancient observers because of its dimness and slow orbit. Sir William Herschel announced its discovery on 13 March 1781, expanding the known boundaries of the Solar System for the first time in history and making Uranus the first planet discovered with a telescope.

Uranus had been observed on many occasions before its recognition as a planet, but it was generally mistaken for a star. Uranus is called by a variety of translations in other languages.

The composition of Uranus’s atmosphere is different from its bulk, consisting mainly of molecular hydrogen and helium.

The gases of Uranus are 85% hydrogen, 12% helium and 3% methane. We can’t breathe in Uranus because there is no oxygen or nitrogen. There are different gases. It has a small amount of methane and traces of water and ammonia. Uranus gets its blue-green color from methane gas. It has no solid surface to step on.

Considering points:- Very cold temperature, the Trace amount of oxygen and water, Excess of hydrogen there is no possibility of life on planet Uranus.

Life on Neptune

life on neptunelife on Neptune

 

 

Neptune is the eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter. It is named after the Roman god of the sea and has the astronomical symbol ♆, a stylized version of the god Neptune’s trident. The planet has 14 known satellites.

Surface temperature ranges from 72 K(-201°C) to 55 K(-218°C). The atmosphere consists of nearly about 80 % of Hydrogen,19 % of Helium, little amount of methane, hydrogen deuteride and ethane.

Neptune was subsequently observed with a telescope on 23 September 1846 by Johann Galle.

From its discovery in 1846 until the subsequent discovery of Pluto in 1930, Neptune was the farthest known planet. When Pluto was discovered, it was considered a planet, and Neptune thus became the second-farthest known planet, except for a 20-year period between 1979 and 1999 when Pluto’s elliptical orbit brought it closer than Neptune to the Sun.T he discovery of the Kuiper belt in 1992 led many astronomers to debate whether Pluto should be considered a planet or as part of the Kuiper belt.I n 2006, the International Astronomical Union defined the word “planet” for the first time, reclassifying Pluto as a “dwarf planet” and making Neptune once again the outermost known planet in the Solar System.

Neptune has 14 known moons. Triton is the largest Neptunian moon, comprising more than 99.5% of the mass in orbit around Neptune, and it is the only one massive enough to be spheroidal. Triton was discovered by William Lassell just 17 days after the discovery of Neptune itself.

In 1989, Triton was the coldest object that had yet been measured in the Solar System, with estimated temperatures of 38 K (−235 °C).

Neptune has a planetary ring system, though one much less substantial than that of Saturn. The rings may consist of ice particles coated with silicates or carbon-based material, which most likely gives them a reddish hue.

The three main rings are the narrow Adams Ring, 63,000 km from the center of Neptune, the Le Verrier Ring, at 53,000 km, and the broader, fainter Galle Ring, at 42,000 km.

The planet’s average temperature is minus 353 F (minus 214 C). But despite being the most distant planet, it is not the coldest. That honor goes to the seventh planet, Uranus, which is closer to the sun.

There is no liquid water on the surface of Neptune but has water ice. The speed of wind is 2,200 km/h or 1,300 mph.T here is no oxygen on the planet.

Considering:- Water ice, Speed of wind, no oxygen, cold temperature life would not be possible on Planet Neptune.

Considering the above facts; such as;
Lack of oxygen, Excess of hydrogen/nitrogen/carbon dioxide, Lack of solid surface, Temperature variation, High temperature, cold temperature. Human life may not be possible on other planets for upcoming years or may be decades to come.

Why not save our planet because of that, the only common thing that all Humans, Plants, animals and every living organism have.

Thank You.

Refrences:

www.space.com
businessinsider.com
theplanets.org
www.jpl.nasa
universetoday.com
www.sanandreas.esc.edu.ar
nattionalgeopraphic.com
wikipedia

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