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What evidence did probes to Mars find that makes it a prime candidate for life?
The element erupting from the volcanoes of Io is ________.
Name the four types of reflector designs.
Under what conditions will a nova occur?
What element are white dwarfs made of? Why?
In order for the dynamo effect to generate a magnetic field, Earth's outer core must be
rapidly spinning, molten, and made of ________.
Computer simulations of the early universe clearly show the process of ________ of
smaller galaxies into larger ones.
Relate Mercury's scarps to the differentiation process.
How does dark energy affect the expansion of the universe?
How old is the Galaxy? How do we know this?
What role did Princeton astronomers play in the research on the Big Bang?
What is meant by the event horizon?
Why are plate tectonics not as important a factor on the Moon as they are on Earth?
Their magnetic fields should originate in the planets' ________, but those of Uranus
and Neptune don't even come close.
Describe the orbits of the Trojan asteroids.
How are surfaces of Mercury and the Moon similar? Different? Why?
Explain how the Doppler Effect has been used to detect invisible planets orbiting other
Sun-like stars.
If the Galactic Year is defined as the orbital period of the solar system, how long does it
take us to circle the center? How do we know?
