The hottest day on Mars is 20 degrees Celsius at the equator. The night can go up to minus 153. The latter is characterized by strong dust storms. The surface appears to be dry but water is expected to flow...
"NGC 891 is a galaxy about 30 million light-years away from the Andromeda galaxy, discovered by William Herschel on October 6, 1784. This galaxy is a member of the NGC 1023 galaxy in the local supercluster." Do you think We...
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