moons planets comets satellites wandering stars
2) Galileo mentions in The Siderial Messenger that Hans Lippershey wrote to him to tell him about the spyglass he had invented.
True False
3) Galileo understood that the dark parts of the moon were lower than the brighter areas.
Correct Incorrect
4) Galileo correctly explained why a new moon is still faintly visible - from light reflected from earth - earthshine.
5) In The Siderial Messenger, how many extra stars did Galileo draw in the Pleiades?
3 36 360
6) Galileo noticed Jupiter's moons orbited so fast that he could notice a difference in their position within the same night.
7) Galileo noticed that moons closer to Jupiter orbit Jupiter faster than moon that orbit Jupiter at a greater distance.
Incorrect Correct
8) Galileo states in The Siderial Messenger (Starry Messenger) that the moon has a thin atmosphere that we can easily see through.
9) According to The Siderial Messenger what did other people (not Galileo) think make the new Moon faintly visible?
sun venus all the above
10) Pick the correct statement:
Galileo called Jupiter's moons brighter and dimmer in The Siderial Messenger. Galileo called Jupiter's moons larger and smaller in The Siderial Messenger.