Saturday, June 14, 2014

Dark energy and dark matter



Our galaxies are speeding apart from each other and that is because of dark energy, but we don't know where it comes from right? If I'm not mistaken could dark matter have dark energy? (If they are the same thing please correct me.) Matter has gravity so could dark matter have dark energy, so sense there is more dark matter is that why our galaxies are being pushed apart?




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

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