astronomy

Planck telescope brings Universe into focus

A map detailing the oldest light in our Universe has been released by the European Space Agency (ESA), revealing previously unknown features that “challenge the foundations of our current understanding of the Universe”. The incredible image is based on 15 and a half months of data captured by ESA’s Planck space telescope, whose mission it …

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NASA’s Van Allen Probes discover a surprise circling Earth

Two giant swaths of radiation, known as the Van Allen belts, surrounding Earth were discovered in 1958. In 2012, observations from the Van Allen Probes showed that a third belt can sometimes appear. The radiation is shown here in yellow, with green representing the spaces between the belts. // NASA/Van Allen Probes/GSFC The twin spacecraft …

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NuSTAR helps solve riddle of black hole spin

This artist’s concept illustrates a supermassive black hole with millions to billions times the mass of our Sun. Supermassive black holes are enormously dense objects buried at the hearts of galaxies. // NASA/JPL-Caltech The findings resolve a long-standing debate about similar measurements in other black holes and will lead to a better understanding of how …

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