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Waspie_Dwarf

'Blazar' flare-up stuns physicists

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Blazar Markarian 421's flare-up is cosmic coincidence

The skies are currently being flooded with the brightest display of gamma rays - the Universe's highest-energy light - ever seen by astronomers.

The culprit is a staggering flare-up of Markarian 421, a "blazar" that hosts a supermassive black hole.

By sheer coincidence, a programme to study it had just begun, so dozens of the world's telescopes - from visible to radio to gamma-ray - were watching.

And it came just in time for a meeting of many of the world's astrophysicists

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i know its very far away but what were they saying about it pointing at earth? why would that matter?

interesting post

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i know its very far away but what were they saying about it pointing at earth? why would that matter?

interesting post

Because if it wasn't pointing at Earth we wouldn't be able to see it.

Think of it as being like a torch beam, if the torch isn't pointed at you you can't see the light it emits.

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Because if it wasn't pointing at Earth we wouldn't be able to see it.

Think of it as being like a torch beam, if the torch isn't pointed at you you can't see the light it emits.

Lesson learnt, very interesting stuff

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