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Biology, 19.09.2021 18:20 chichi989

What is a quasar? A. system of stars held together by gravity.
B. star that emits intense radio and light energy.
C. star that emits a repeated radio signal.
D. collapsed star emitting no light.
E. Two stars moving around each other.

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What is a quasar? A. system of stars held together by gravity.
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