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The absolute magnitude of a star is the apparent magnitude it would have if it were 10 pc from Earth.
Q8: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8927/.jpg" alt=" The lighthouse in
Q12: A nova is a new star.
Q18: Star may appear fainter due to the
Q25: To tell the difference between a neutron
Q47: The chromosphere of the Sun<br>A) is hotter
Q52: A(n) _ is a rapidly spinning neutron
Q89: Explain the sequence of fusion shell formation
Q90: A black hole can be thought of
Q108: The higher the surface temperature of the
Q116: The Lyman series lines of hydrogen all