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How can a star glow like a blackbody but still have an absorption spectrum, and what does this spectrum tell us about the elements present in the star?
Q1: Gravitational lensing occurs when _ distorts the
Q15: A geodesic is the name for<br>A) the
Q16: What causes the distinct bluish tint of
Q20: Explain why it is impossible to find
Q32: If Jupiter's radius is contracting at a
Q59: Meteor showers appear as if they are
Q79: What type of spectrum do most stars
Q81: Which of the following is responsible for
Q94: In the CNO cycle, carbon is used
Q96: When a comet is far from the