Supernova remnant, animation

Référence de la vidéo 11944931
Supernova remnant. Artist's animation of a 3D survey of a supernova remnant (SNR). A supernova is the explosive death of a massive star. When it runs out of fuel at the end of its life the outer layers collapse under gravity, before rebounding off the extremely dense core. This leads to a huge release of energy and the star's constituents, which are thrown outwards at high speeds. The event produces temperatures and densities high enough to fuse lighter elements into very heavy elements. The nuclear reactions during the explosion produce the majority of the elements heavier than nickel in the universe. SNRs are the visible remnants of these events, glowing as the ejected matter ploughs into the interstellar medium, heating it and emitting light.
Licence : Droits gérés
Crédit : Science Photo Library / HUBBLE / ESA / LARS LINDBERG CHRISTENSEN
Model Release : Non requis
Durée : 20 Secondes
Aspect ratio : 16/9
Restrictions :
  • This clip may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

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