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Q4: Living cells have already been recreated in
Q26: Cepheids are good examples of cataclysmic variable
Q28: The Allen Telescope Array is one of
Q51: Collisions between galaxies are thought to<br>A) be
Q53: As with stars, binary galaxy pairs are
Q54: What is true of a blackbody?<br>A) Its
Q99: The Schwartzschild radius for a 12 solar
Q109: Which classes of stars with large habitable
Q110: Spectral lines are produced when an electron
Q111: Rotation curves for spiral galaxies show<br>A) most