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Q5: The pink color of the chromosphere is
Q24: Dark matter is detectable in the coronae
Q25: One trigger that could start the gravitational
Q32: Galaxies contain 10 times as much dark
Q35: Stars with a mass of about 0.5
Q42: What is a spectrograph and why is
Q45: Which type of nebula is produced when
Q52: Cepheid variables are useful in measuring the
Q63: Stars, like our Sun, generate their energy
Q71: Stars that formed in the very early