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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 supernova that formed M-1, the Crab Nebula, was observed in:
A) 1054 AD by Chinese and Middle Eastern astronomers.
B) 1604 AD by Johannes Kepler.
C) about 9,000 BC by all our ancestors.
D) 1572 AD by Tycho Brahe.
E) 1006 by observers in the southern hemisphere.
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
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
#3
8 years ago
Slight Smile
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