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Space Review
Test Description: Review for Test
Instructions: Answer all questions to get your test result.
1) The universe began
A
50 billion years ago
B
10 million years ago
C
1 billion years ago
D
14 billion years ago
2) The event which began the universe was the
A
Milky Way
B
Black Hole
C
Electromagnetic Spectrum
D
Big Bang
3) A star moving away from Earth has a spectrum that is
A
shifted toward the blue
B
losing its color
C
shifted toward the red
D
unchanged
4) Energy from collision and pressure from gravity caused the center of the solar nebula to become
A
cooler and less dense
B
hotter and less dense
C
hotter and denser
D
cooler and denser
5) What is a galaxy?
A
planets, moons, and stars bound together by magnetism
B
stars, dust, and gases bound together by gravity
C
air, gas, and rock in the universe
D
debris, dirt, and trash bound together by gravity
6) What type of galaxy is the Milky Way?
A
elliptical
B
irregular
C
spherical
D
spiral
7) What is a light year?
A
the distance to the sun
B
the distance light travels in a year
C
the time it takes to travel to a star
D
the speed of light in a year
8) What is important about Hubble's discovery that there is red shift in the spectra of galaxies?
A
It suggest the existence of black holes
B
It suggests that the universe is expanding
C
It proves the Big Bang Theory
D
It suggest that the universe is contracting
9) What makes up most of our universe?
A
known elements
B
black holes
C
the dark force
D
dark matter and energy
10) The solar system formed from
A
a black hole
B
an expanding galaxy
C
an enormous explosion
D
a giant cloud of gas and dust
*select an answer for all questions
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