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XMM-Newton reveals giant flare from a tiny star

A star of about eight percent the Sun’s mass has been caught emitting an enormous ‘super flare’ of X-rays – a dramatic high-energy eruption that poses a fundamental problem for astronomers, who did not think it possible on stars that... Continue Reading →

Unexpected periodic flares may shed light on black hole accretion

ESA’s X-ray space telescope XMM-Newton has detected never-before-seen periodic flares of X-ray radiation coming from a distant galaxy that could help explain some enigmatic behaviours of active black holes.  XMM-Newton, the most powerful X-ray observatory, discovered some mysterious flashes from... Continue Reading →

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