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Q5: Reflecting telescopes are no longer popular with
Q6: A type-II supernova<br>A) occurs when a white
Q10: Neutrinos are created in reactions in the
Q17: The third quarter moon rises at noon.
Q20: If the spectrum of a sunspot shows
Q41: Infrared astronomy is often done from high-flying
Q42: Based on the galaxies found in the
Q42: If the distance from the Sun to
Q42: Which stars always have large positive absolute
Q56: Which of the waves below has the