The bright, hazy smudge at the center of this space wallpaper is a comet known as 67P/Churyumov-Gerasimenko, or 67P/C-G for short. This comet is the target for ESA’s Rosetta spacecraft, which is ...
This stunning space wallpaper shows the possible appearance of the planet Kepler-452b, the first near-Earth-size world discovered in the habitable zone of star similar to our sun. [Read full story.] ...
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