ASTR 100
Due in your Assignment Folder by 07/14/13
This quiz is worth 8% of Your Grade. You are free to use your textbook, notes, etc. to answer these questions. If you use any web sources, please note these in your responses.
1. Explain three differences between terrestrial and Jovian planets.
-Three differences between terrestrial and Jovian planets are first their surfaces. Terrestrial planet’s surface is made of solid and Jovian planet’s surface is made of gas. The terrestrial planets are close to the sun and Jovian planets are further away from the sun. Last is terrestrial planets spin a lot less than Jovian planets.
2. How are the atmospheres of Venus and Mars different than the Earth?
-The atmospheres of Venus and Mars are different than the Earth because Venus and Mars are mainly made of Carbon Dioxide and the Earth is mainly made of Nitrogen.
3. Describe the major surface features and composition of:
a) the Earth’s Moon – The surface of the moon is one like the Earth which has lunar crust about 60km thick. It also has craters throughout. b) Mercury- Has variety of terrains which includes crater free and heavily crater terrain. c) Europa- Is one of Jupiter’s moon which is very icy crust and a rock mantle.
4. Explain at least three ways Uranus and Neptune are different from Jupiter.
-Three ways Uranus and Neptune are different than Jupiter is that first Uranus and Neptune are smaller than Jupiter. Next Jupiter is core is mostly made up of gas and Uranus and Neptune core isn’t. Uranus and Neptune are warmer than Jupiter because they are closer to the sun.
5. Explain the difference between an open cluster and a globular cluster.
- The difference is open clusters are made of stars that are not tightly held together by gravity and globular clusters are. Another difference is the age of the stars