Astronomy is a science as old as humanity – the view of the night sky has always fascinated us. We have developed increasingly sophisticated telescopes that allow us to observe the entire electromagnetic spectrum. But there are other sources of information from space! Particles come directly from the interior of stellar explosions, and waves in space-time – gravitational waves – have been detectable for several years. With all these different “messengers”, we are gaining a much more comprehensive picture of our universe – with the help of multi-messenger astronomy.
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