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Stars in binary systems can transfer matter from one star to another at a Lagrange point.
Q4: The Doppler formula states that the ratio
Q10: The most accurate way to determine the
Q18: Astronomers detect _ of ionized gas moving
Q20: Stars are born in reflection nebulae.
Q29: Sunspot numbers follow a seven-year cycle.
Q31: The pressure of a gas depends on
Q34: Hot gas created during the Big Bang
Q58: Olber's paradox states that the _.<br>A) Universe
Q74: A(n) _ is a loose group of
Q74: Absolute visual magnitude is calculated at a