Marcus Chown – A Crack In Everything: How Black Holes Came in from the Cold and Took Cosmic Centre Stage
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Manage episode 422263024 series 2944889
المحتوى المقدم من Green-Shoot. يتم تحميل جميع محتويات البودكاست بما في ذلك الحلقات والرسومات وأوصاف البودكاست وتقديمها مباشرة بواسطة Green-Shoot أو شريك منصة البودكاست الخاص بهم. إذا كنت تعتقد أن شخصًا ما يستخدم عملك المحمي بحقوق الطبع والنشر دون إذنك، فيمكنك اتباع العملية الموضحة هنا https://ar.player.fm/legal.
Black holes aren’t black! If there is one thing everybody knows about black holes it is that they are so dense that even light can’t escape. And yet, as Marcus Chown explains, black holes are some of the most prodigiously luminous objects in space. So they’re not holes. And they’re not black. But they are among the most fascinating and counter-intuitive objects in the universe. Not to mention that they are, in Marcus’s phrase, “the stuff of physicists’ nightmares.” Why? Because the maths tells us that any star a little bigger than the sun will eventually collapse into a singularity – a point of infinite density and infinite temperature. … Continue reading →
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