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Asteroid J002E3’s orbit in 2002-2003.
Astronomy vignettes. Learning about our world. 1932.
Planetary Satellites (1977)
新幹線と富士山 (via かがみ~)
video stills april 2020
Neptune and its moons (Proteus, Larissa, Despina and Galatea)
Credit: NASA / Hubble (infrared)
You know what? It’s really like that sometimes.
The clearest photo ever taken of Saturn
ancient greek word of the day: κλονοκάρδιος (klonokardios), heart-stirring, epith. of the thunderbolt