GUEST STARS This telescopic view from Montecassiano, Italy on July 15 captures, along with Earth’s Moon, (l. to r.): Callisto, Ganymede, Jupiter, Io, and Europa. (Photo: Cristian Fattinnanzi via NASA APOD)
Reblogged 1 year ago from inothernews
The universe is awesome, moon, stars, astronomy,
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