When red giants expand, they engulf the planets in their vicinity. Researchers have now found a planet that defies this notion – and a surprising explanation.
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The European Space Agency (ESA) has given the green light to build the flight models of the spacecraft and science payload for the PLATO mission to search for extrasolar planets.
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A group of red giants discovered four years ago seems to be old and young at the same time. Scientists now prove that they are indeed old – and a result of star mergers.
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