This stands in stark contrast to James Lovelock's Gaia hypothesis — the idea that life sustains
habitable conditions on Earth.
On some missions, such as NASA's Curiosity Mars rover (now deep into its third Earth year seeking signs of
habitable conditions on the Red Planet), the excess heat from the MMRTG can also be used to keep spacecraft systems warm in cold environments.
«A strong magnetic field provides a shield for the atmosphere,» said Tarduno, «This is important for the preservation of
habitable conditions on Earth.»
Not exact matches
At present, most instruments
on astrobiology missions look for
habitable conditions, small organic molecules and other «biosignatures» that generally could not be formed without life.
That in turn gives us hints to what
conditions exist at potentially
habitable vents
on the seafloor.
More importantly, the first one, called Kapteyn b, was found to lie inside its star
habitable zone where
conditions are just right for liquid water to exist
on its surface.
On Mount Sharp, Curiosity is investigating how and when the ancient
habitable conditions known from the mission's earlier findings evolved into drier
conditions that were less favorable for life.
Should we seek to colonize another planet, understanding how microbes help make Earth
habitable might allow us to create more Earth - like
conditions on other planets —
conditions necessary to sustain human life.
Nevertheless, the extreme temperature variations achieved
on highly eccentric exo - Earths raise questions about the adaptability of life to marginally or transiently
habitable conditions.
One potential problem is that the atmosphere may condense into large ice caps
on the frigid night side of these planets, which could result in total atmosphere collapse and the loss of
habitable conditions.
The focus of JUICE is to characterise the
conditions that may have led to the emergence of
habitable environments among the Jovian icy satellites, with special emphasis
on the three ocean - bearing worlds, Ganymede, Europa, and Callisto.
Of the 135 planets confirmed so far, only a few are thought to be in the
habitable (or «Goldilocks») zone, where
conditions on the planet's surface can support surface liquid water.