Galileo: Discovering Jupiter's Moons

Name ____________________________

This was a monumental discovery that showed everything did not revolve around the earth and in the 1600’s this got you in a lot of hot water. Go to www.swcit.org/warren/Phi_Sci_assignments.htm for videos.

1. When did Galileo first use his telescope?

2. What did he think of the moon’s surface as he looked at it?

3. Why do most astronomers think Jupiter was easy for him to view at this time?

4. What did his observations of the moons of Jupiter convince him of?

5. How long did it take him to discover they were moons after he first started observing them?

Now view - Hubble Telescope: Looking Deep

1. Why did they want to view a “boring “ view of the sky?

2. In what direction did they point the Hubble?

3. What type of light do they need to filter out?

4. How did they do this?

5. How many images did they piece together?

6. What amazed the astronomer about the image?