Download Astronomy Review fall 2013

Astronomy Review
Unit 2 Test
Review
How are red shifts used to support (prove)
the Big Bang Theory?
Red Shifts are used to show that objects are moving away from the center of the
Universe, thus proving that objects in space are still moving outward since the Big
Bang occurred.
What is the approximate age of our
Universe?
14.7 billion years old
Place the following objects in order from largest
to smallest:
Asteroid, Galaxy ,Planet ,Star
(Largest)
Galaxy,
Star,
Planet, Asteroid
(Smallest)
List 2 characteristics that are used to determine
whether a planet is a Terrestrial planet or a
Jovian planet?
a. Jovian planets are large; terrestrial planets are small
b. Jovian planets are made of gas; terrestrial planets are made of rock and metals
c. Jovian planets have no solid surface; terrestrial planets have a solid surface
This Earth motion occurs every 26,000 years.
precession
This Earth motion is responsible for the days.
rotation (rotate)
This Earth motion is responsible for the
seasons.
tilt
What nuclear process produces radiant energy
of stars?
Nuclear Fusion
Identify the summer season in the Northern
Hemisphere.
B
A
B
C
D