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Stars

Across
How bright a star appears
A chart that shows a comparison of mass, temperature, and luminosity between different stars.
A unit equal to 3.26 light years
Down
Brightness of a star when it is placed at a distance of 10 pc
An apparent shift in position caused by the motion of the observer
Groups of stars named after mythical creatures, animals, and everyday objects.
Two stars that are gravitationally bound together and orbit a common center of mass
Subtle wavelength shifts
The place that most stars occupy on the Hertzsprung-Russel diagram.
The energy output from the surface of a star