Cosmos

Name: Cosmos
Uploaded: 2010-10-01T03:53:01+00:00
Duration: 25 s
Channel: bangy_12
Description: A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component tentatively dubbed dark matter.

bangy_12

A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component tentatively dubbed dark matter.

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