Sunday, January 7, 2024

Galileo's discovery of Jupiter's four moons in 1610


On January 7, 1610, Italian astronomer Galileo made the earthshaking discoveries that four moons revolve around Jupiter and that the telescope reveals many more stars than are visible to the naked eye. 

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First Human Canonball Launched in 1877

  The first human cannonball, launched on April 2, 1877 at the Royal Aquarium in London, was the 17-year-old Rossa Matilda Richter, going b...