observations articles
What was the significance of Galileo's observations of the moon?
How do Galileo's observations of Jupiter's moons support the heliocentric model of the universe?
Did Galileo observe the Milky Way?
Did Giovanni Schiaparelli observe canals on Mars?
What did Galileo's observations of the Moon reveal?
What is significant about Galileo's discovery and observations of the moons of Jupiter?
What did Galileo's observation of the Galilean moons prove?
What was Galileo's most significant observation?
What was the significance of Galileo Galilei's observations with the telescope?
What did Galileo use to observe the Moon?
Which of the following laws do astronomers use to determine the mass of stars using observations of binary star systems?
When did Percival Lowell observe Mars?
