Sure! Here are the answers to your questions:
Question 1: A spiral galaxy can be described as what type of shape?
Response: Pinwheel
Question 2: What do scientists believe lies at the center of the Milky Way galaxy?
Response: a black hole
Question 3: How are asteroids and comets similar?
Response: Both orbit the sun
Question 4: At certain times of the year, five planets can be seen from Earth including Mars and...?
Response: Saturn
Let me know if you need further assistance!