two skies with a star visible
Source: Mars: NASA/JPL-Caltech/MSSS/TAMU | Earth: Bill Dunford
Published: April 19, 2019

Left: Earth in the evening sky of Mars, as seen by NASA's Curiosity rover in 2014. Earth is a little left of center in the image, and our Moon is just below Earth.

Right: Mars rising over Salt Lake City.


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