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A little interesting about space life.
Though the moon has no atmosphere on the outside, the caves are filled with 'air' well suited to supporting the respiratory needs of life forms. Surprisingly, 90% percent of the moon's internal atmosphere comprises oxygen which exceeds the corresponding oxygen proportion in the earth's atmosphere.
and here is another
The HST images also showed that the moon Kerberos is charcoal black in color, which is in stark contrast to the brilliant white of the other moons of Pluto. It was predicted that dust blasted off the moons by meteorite impacts would blanket the moons, giving them a homogeneous appearance. However, the reason why Kerberos is black remains a mystery.
We have known since 1995 that our Solar System is far from unique in the Cosmic scheme of things, and that there are a vast number of planets that circle stars beyond our own Sun. Furthermore, some of these extrasolar planets probably have moons just like most of the planets in our Sun's family. These faraway exomoons are enticing little worlds of wonder and mystery--and possibly even life.
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With such intriguing results before them, the team of astronomers studied the data to determine if Kepler-22b actually has a moon. Unfortunately, their analysis reveals no evidence for the existence of an exomoon circling Kepler-22b. This non-detection suggests that the mass of any companion world around Kepler-22b must be less than 0.54 times the mass of our planet--with an impressive confidence rate of 95%! Therefore, it is very unlikely that Kepler-22b is circled by an Earth-like moon. Nevertheless, it is still too soon to give up hope. The Hunt for Exomoons with Kepler project has studied nine planetary systems in search of exomoons. Although none were detected, with the team's new results about the possibility of finding Earth-sized moons and the remaining treasure trove of Kepler data to sift through, large and possibly even habitable exomoons may start being spotted in the near future.
Of course, in view of the recent findings, there are other reasons why Moon is so important for mankind. First of all, the findings from the Chandrayaan probe have shown unequivocally that water exists in the lunar poles. Hence, with the existence of water, colonizing the moon has not only become possible, it has become imperative. As you know, water contains both hydrogen as well as oxygen atoms. Hydrogen can be used as a propellant and as an energy source, while water can be used as an oxidizer as well as a major life support requirement. The oxygen is especially important, as it can be filtered to provide air and the water itself can be used from variety of ways from drinking to being used as a coolant in various subsystems. In addition, the proximity of the moon promises the transference of raw materials such as Helium 3 as well as iron that can be found beneath the lunar regolith. Hence, it is the time to go back to the Moon again for the sake of mankind.
Dozens of crewless spacecraft, including landers, rovers, and orbiters, have been dispatched to Mars by the Soviet Union, the United States, Europe, and India to observe the planet's climate, surface, and geology. Since the year 2000, cameras circling in orbit around Mars have sent back to Earth a treasure chest overflowing with revealing pictures of the "fire star." These wonderful images have displayed a Martian surface etched with small valleys and carved into slopes. These features are eerily similar in their shape to gullies carved by gushing water flowing on Earth. The Martian gullies are believed to be less than a few million years old--a tiny wink of the eye on geological time scales. In fact, some of the gullies even appear to be younger than that! These detections are enticing. This is because the observations hint to planetary scientists that great quantities of liquid water may still be lingering on Mars at present--and that this gushing water might be what carved out the gullies.