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Cosmic background radiation provides direct evidence for the origin of
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
Which statement best describes galaxies?
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
Scientists infer that the universe began approximately
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
The major evidence supporting the Big Bang theory is
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
According to this table, the average temperature of the universe since stage 3 has
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
Which graph best shows the relationship of the size of the universe to the temperature indicated by the cosmic microwave background radiation?
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
At approximately which position is Earth's solar system located?
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
Between which two stages did our solar system form?
the universe
B
B
7 and 8
They may contain billions of stars in a space much larger than our solar system.
13.7 billion years ago
decreased, only
observations that the Doppler red shift becomes greater as we look at more distant galaxies.
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