The solar winds blow outward from
A) coronal holes.
B) sunspots.
C) flares.
D) the entire photosphere.
E) the Sun's poles only.
A
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In pair creation,
A) matter is conserved but energy is created. B) two oppositely-flavored pizzas are created. C) matter and energy are both conserved. D) matter and energy are both created. E) matter is created but energy is conserved.
If the Moon were four times as massive but twice as far from Earth, high tides on Earth would be
A) higher. B) lower. C) no different.
Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. Use each word only once.
If the Moon was twice as far away from the Earth as it is currently what would happen to total solar eclipses?
We would have more total solar eclipses. Nothing would change. We would have no total solar eclipses. We would have a total solar eclipse every two years.