When did Galileo begin his first sustained telescopic observations of the Moon?
Answer
Late 1609
Galileo began his intense scrutiny of the Moon using his improved telescope towards the end of 1609, which initiated his groundbreaking astronomical discoveries.
Related Questions
What did the prevailing Aristotelian cosmology of the early 17th century assert about the cosmos?What evidence did Galileo gather through his enhanced telescope regarding the Moon?When did Galileo begin his first sustained telescopic observations of the Moon?What fundamental concept about celestial motion did the discovery of Jupiter's moons directly contradict?What practical application did Galileo immediately recognize for the predictable eclipses of Jupiter's moons?In which explosive treatise did Galileo first record his findings about Jupiter's companions?Why did Venus exhibiting a full phase contradict the traditional Ptolemaic model?What phrase summarized Galileo's belief about how the universe should be understood?What mathematical relationship concerning falling bodies did Galileo demonstrate?Which observation provided empirical ammunition confirming that the celestial sphere was corruptible, similar to the Moon?