Comet 67P/Churyumov-Gerasimenko — ESA Cometary comae are a mixture of gas and ice-covered dust. Processing on the surface and in the coma change the composition of ice on dust grains
Comet 67P/Churyumov-Gerasimenko — ESA Cometary comae are a mixture of gas and ice-covered dust. Processing on the surface and in the coma change the composition of ice on dust grains
Maximal (red) and minimal (blue) atmospheric heating factor vs instellation, for three values of the heat redistribution parameter: f = 0.2 (solid), 0.5 (dashed), and 1 (dotted). The locations of
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA’s Perseverance Mars rover used its right-front navigation camera to capture this first view over the rim of Jezero