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Suppose that an astronomy news item announces the discovery of a brown dwarf. What is it that has ...

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Suppose that an astronomy news item announces the discovery of a brown dwarf. What is it that has ...

Suppose that an astronomy news item announces the discovery of a brown dwarf. What is it that has been discovered?
A)   A prestellar object undergoing gravitational collapse
B)   A Plutolike object in the Kuiper belt, beyond the edge of the planetary system
C)   An object too large to be a planet but too small to be a star
D)   A protostar still embedded in the cloud of gas and dust from which it formed

Textbook

Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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