Spyder Webbさんのイラストまとめ

#Space, #Astronomy, #Science, #Geography, #Nature, #SciFi, #Film, #Music, #Queen, #Beatles, #RedDwarf, Water, Oxygen, Shelter, Food & Sleep

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# onthisday galileo jupiter ganymede solarsystem mercury astronomy space astrophysics physics plutoflyby newhorizons pluto williamherschel uranus

Spyder Webb
@Spyder_Webb

#OnThisDay 13 January 1610 #Galileo discovered #Jupiter's moon #Ganymede; the largest moon in our #SolarSystem.

Being 8% larger than #Mercury, it's the 9th largest object in our Solar System & the largest without a substantial atmosphere

#astronomy #space #astrophysics #physics