Sh2-136, Ghosts of the Cosmos
Over 800 terrestrial exoplanets visualized and arranged according to their equilibrium temperature and size.
chart by u/mVargic
M42, Great Orion
[...] while compartmentalization and replication are important, they are aspects of what life is and does, but they do not address the why of life. The why of life is metabolism. By completing the circuit of life, biology harnesses energy from its environment. Technically speaking, this means that biology actually helps the universe cool faster; it increases the entropy of the universe. This is why the universe needs life.
Alien Oceans by Kevin Peter Hand
Astronomical photographs, Harvard College Observatory, Cambridge, 1890-1920
an actual true color photograph showing Saturn, its rings, and one of its moons taken by the Cassini space probe orbiting 23.8k miles away, October 11, 2005
★•Astronomy, Physics, and Aerospace•★ Original and Reblogged Content curated by a NASA Solar System Ambassador
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