Europa — NASA JPL source Galilean moons exhibit a decrease in bulk density with distance from Jupiter, which may reflect differences in evolutionary paths and water loss.

Coprates Chasma — NASA HiRISE This image of Coprates Chasma shows the deepest part of the giant Valles Marineris canyon system, more than 7 kilometers below the nearest rim and

Surface temperature maps of our GCM simulations for different surface-atmosphere scenarios (Table 1) with 1 bar (top two rows) and 10 bar (bottom row) atmospheres. The substellar point is located

An artist’s depiction of the fully-deployed starshade spacecraft (left) next to the spacetelescope it supports. The two spacecraft must fly in almost perfect alignment to allow thetelescope to stay in