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Where did the elements heavier than hydrogen and helium come from?
Q2: Which of the following statements is not
Q5: We have direct evidence from ALMA that
Q34: A rocky leftover planetesimal orbiting the Sun
Q45: How do astronomers think Jupiter generates its
Q55: What is the Cassini division of Saturn's
Q56: What is the difference between energy and
Q59: Vaporization is the process in which<br>A)molecules go
Q81: According to our theory of solar system
Q85: Which of the above applies to Ganymede?<br>A)the
Q94: Which internal energy source produces heat by