dezmondpowell
11.01.2020 •
Social Studies
What determines the brightness of a star in the sky? the amount of light on the star the number of other separate stars around it the season of the year on earth the distance of the star from earth?
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Ответ:
THE DISTANCE OF THE STAR FROM EARTH determines the brightness of a star in the sky
Explanation:
A glance at the night sky above Earth shows that some stars are much brighter than others. However, the brightness of a star depends on its composition and how far it is from the planet.
Astronomers define star brightness in terms of apparent magnitude — how bright the star appears from Earth — and absolute magnitude — how bright the star appears at a standard distance of 32.6 light-years, or 10 parsecs.
Ответ: