Support an argument that the apparent brightness of the sun and stars is due to their relative distances from Earth, understanding the sun is a relatively close star
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Question 1 of 3
The Sun appears much brighter in the sky than the star Sirius. The Sun is about 93 million miles from Earth, while Sirius is about 25 trillion miles away. Which statement best explains why the Sun looks brighter than Sirius?
Question 2 of 3
The Sun is about 93 million miles from Earth and looks very bright in the sky. A distant star is about 100 light‑years away and looks faint. Which explanation best supports the idea that the difference in their apparent brightness is due to their distances from Earth?
Question 3 of 3
The Sun looks much brighter in the sky than the star Sirius. Which statement best explains why the Sun appears brighter to us?
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