415 Years Ago: Astronomer Galileo Discovers Jupiter’s Moons nasa.gov/general/415-years-ago… #NASA #General #JohnsonSpaceCenter
415 Years Ago: Astronomer Galileo Discovers Jupiter’s Moons - NASA
On Jan. 7, 1610, Italian astronomer Galileo Galilei peered through his newly improved 20-power homemade telescope at the planet Jupiter. He noticed threeJohn J. Uri (NASA)
Judgment Dave
in reply to NASA • • •Just 415 years ago. Just over 400 years from Galileo to JWST.
Pretty amazing.