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Planetary habitability in the Solar System is the study that searches the possible existence of past or present extraterrestrial life in those celestial bodies. As exoplanets are too far away and can only be studied by indirect means, the celestial bodies in the Solar System allow for a much more detailed study: direct telescope observation, space probes, rovers and even human spaceflight.
Understanding planetary habitability is partly an extrapolation of the conditions on Earth, as this is the only planet known to support life.. Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and maintain an environment hospitable to life. [1]
To support an Earth-like atmosphere for about 4.6 billion years (Earth's current age), a moon with a Mars-like density is estimated to need at least 7% of Earth's mass. [20] One way to decrease loss from sputtering is for the moon to have a strong magnetic field of its own that can deflect stellar wind and radiation belts.
NASA’s Europa Clipper is a spacecraft that carries instruments to help determine if Jupiter’s moon, Europa, has conditions to support life. NASA said these conditions could include liquid ...
The NASA mission, called Europa Clipper, aims to figure out whether the Jupiter moon and its ocean could support life. It's the largest interplanetary spacecraft NASA has ever built. The probe is ...
The James Webb Space Telescope has detected carbon, a building block of life, on the surface of Jupiter’s icy moon Europa.
The possibility of life on Venus is a subject of interest in astrobiology due to Venus ... Venus would be able to support life if Jupiter had not altered its orbit ...
Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. Seeking conditions that support life. What type of life might Europa harbor? Besides water, organic compounds are needed for life as we know it, plus an energy source.