Home Do you know When pressure waves collide with dust and gas, what forms within a spiral galaxy’s arms?

When pressure waves collide with dust and gas, what forms within a spiral galaxy’s arms?

Posted on September 7, 2010
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When pressure waves collide with dust and gas, what forms within a spiral galaxy’s arms?

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2 Responses to “When pressure waves collide with dust and gas, what forms within a spiral galaxy’s arms?”

  • lindajune says:
    September 7, 2010 at 4:25 am

    I guess reading your textbook is too hard.

    Stars form when dust and gas clouds are compressed by pressure waves moving through a galaxy’s spiral arms.

  • izmeggy says:
    September 7, 2010 at 4:52 am

    I’d say a star.

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