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Hubble


— Space

NASA weighs collosal, ancient galaxy cluster

A team of astronomers has used data collected by a trio of NASA's orbital telescopes in order to weigh an ancient galaxy cluster dating back to 3.8 billion years after the universe was created. Known as IDCS J1426.5+3508 (IDCS 1426), the cluster is the largest structure of its kind ever discovered in this period. Located 10 billion light-years from Earth, it boasts a mass of 500 trillion times that of our Sun – the equivalent of around 1,000 Milky Ways.

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— Space

Astronomers observe predicted supernova explosion

For the first time, a team of astronomers has successfully made observations of a predicted supernova. The enormous cosmic explosion, nicknamed Refsdal, is believed to have occurred roughly 10 billion years ago, and owes its foreshadowing to a rare astronomical phenomenon known as an Einstein Cross, which led to the recent spotting which took place on Dec. 11th.

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— Space

Pluto's wobbly moons dance to a chaotic tune

Pluto and its largest satellite Charon are an odd pair. The relative size of the Charon means the two act as a double planet system, orbiting a center of gravity located between them in space. A study of data gathered by NASA's Hubble Space Telescope has now found that this interaction is having an odd effect on Pluto's smaller moons, causing them to tumble unpredictably with no apparent method to their madness.

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