Spacetime With Stuart Gary

86: Record-breaking faint satellite galaxy discovered orbiting the Milky Way

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Sinopsis

Stream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Record-breaking faint satellite galaxy discovered orbiting the Milky Way The faintest satellite galaxy ever seen has been discovered orbiting our own Milky Way galaxy. The discovery suggests the presence of a large number of undetected dwarf galaxies in the halo of the Milky Way -- providing important insights into the role dark matter plays in galaxy formation. *The new hypothesis challenging Einstein's speed of light physics Scientists behind an idea that the speed of light is variable - and not constant as Albert Einstein’s relativity theory suggests -- have made a prediction that could be tested. The speed of light in a vacuum remains one of sciences great constants – a key foundation stone underpinning modern physics and sciences understanding of the universe. *December SkyWatch -- the rock comet responsible for this month’s spectacular Geminids meteor shower One of the astronomical highlights of Dece