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Xelga [282]
3 years ago
13

What observations led to the proposal of Dark Matter? Typically in science, you do not come up with an extension of your theory

or propose a new hypothesis unless new data contradicts existing ideas.
Social Studies
1 answer:
Arte-miy333 [17]3 years ago
8 0

Answer:

Explanation:

Two teams of astronomers observed in 1988 that the universe was accelerating in expansion. They proposed that a phenomenon known as dark energy could be responsible for the development. They came to this conclusion by measuring lights emanating from exploding stars called type 1A supernovae.

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