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You could more easily resolve a close double star with a blue filter than with a red one.
Q2: Planetary orbits:<br>A) are evenly spaced throughout the
Q7: What is believed to be the origin
Q14: By itself,_ makes up 70% of the
Q21: Which hormone promotes the abscission of leaves
Q42: The orbiter that gave us the most
Q43: Most of the angular momentum of the
Q50: In addition to revolving around the Sun
Q61: A cool,thin gas produces absorption lines.
Q63: Describe two ways light can be separated
Q64: The lunar regolith is constantly eroded by