GALAXY OF THE WORLD.

Name: GALAXY OF THE WORLD.
Uploaded: 2010-10-01T09:52:45+00:00
Duration: 25 s
Channel: GREEN LIGHT
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.

GREEN LIGHT

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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