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Q1: Mapping the intracluster gas is largely done
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Q67: In which of the following models will
Q70: Quasars may result from the very energetic
Q71: The simplest life forms appeared on Earth
Q76: An extraterrestrial observer would pick up the
Q79: The Drake Equation is attempting to find<br>A)
Q79: Why is it easier to travel to
Q110: Why do we feel type O and