Quiz 10

Vinnie Caringella           

Astronomy

2-23-13

Quiz10

1.     A starts periodic motion tells us about its planets, transiting planets periodically reduce stars brightness.

2.     Detected planets are all much more massive than Earth.

3.     Migration and encounters may play a larger role than previously thought.

4.      A class of extra solar planets whose characteristics are similar to Jupiter, but which have high surface temperatures because they orbit very clos^e between approximately 0.015 and 0.5 astronomical units to their parent star

5.     YES

6.      Refers to a particular distance in the solar nebula from the central protosun where it is cool enough for hydrogen compounds such as water, ammonia, and methane to condense into solid ice grains. Depending on density, that temperature is estimated to be about 150 K. The frost line of the Solar System is around 5 A

7.     The Earth, which lies less than a quarter of the distance to the frost line 

8.     Frost line lies in-between the orbits of mars and Jupiter

9.     A meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground

10.  A Meteor/ Meteorite