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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
The element first found in the Sun's spectrum, then on Earth 30 years later, is:
A) solarium.      B) technetium.      C) helium.      D) hydrogen.      E) aluminum.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Wonderful, thanks for your time and effort
Minoring in physics
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#3
8 years ago
Slight Smile
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