When did Galileo first note the three primary companions around Jupiter?
Answer
January 7th
Galileo meticulously recorded his findings, noting the positions of the initial three points of light relative to Jupiter on January 7th, 1610.
Related Questions
When did Galileo first note the three primary companions around Jupiter?What was Galileo's primary goal when first observing Jupiter with his improved telescope?Who generally receives the credit for inventing the telescope, while Galileo is noted for improving it?What name did Galileo originally give to the four newly discovered celestial bodies orbiting Jupiter?What level of magnification could Galileo's self-constructed instruments achieve?What astronomical model's foundation was directly struck by the observation that celestial bodies did not orbit the Earth?By what date had Galileo documented the fourth object in Jupiter's entourage?What was the title of the short book published by Galileo in March 1610?What consequence did many attribute to proving the Earth was not the absolute center of creation?Which German astronomer observed the Jovian moons concurrently, although Galileo published first?