The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, minerals altered by water, and other geological traces indicate that the ...
Stars and planets form in cold, dense clouds of gas and dust, where cosmic rays are the dominant source of ionization and heating. Cosmic rays are high-energy particles, including protons, electrons, ...
The Juno observations showed that Jupiter has an equatorial diameter of 88,841 miles (142,976 km), which ‌is about 5 miles (8 ...
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