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Leno4ka [110]
2 years ago
11

Why is an absorption spectrum especially useful for astronomers?.

Physics
1 answer:
creativ13 [48]2 years ago
4 0

Answer:

It has dark lines in it that allow astronomers to determine what elements are in the star. red-shifted (shifted toward the red end of the light spectrum).

Explanation:

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The scientist that described an atom made a solid positively charged substance with electrons dispersed throughout it was: Ernest Rutherford

In 1911 Ernest Rutherford proposed his atomic model in which he considered the atom as a positively, densely charged center called a nucleus in which the electrons circulate around the core with a negative charge.

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See explanation

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