Astronomy

explosion Astronomy stars science space - 8213393408
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When a star that is much more massive than out sun gets to the end of it's like it explodes into a Super Nova. A Super Nova can outshine and entire galaxy and radiate stellar matter at speeds up to 10% the speed of light. This particular Super Nova was given the name SN 1572. SN 1572 is also known as Tycho's Supernova, Tycho's Nova, "B Cassiopeiae" (B Cas), or 3C 10. This Super Nova is located in the constellation Cassiopeia. It is one of one of about eight supernovae visible to the naked eye in historical records. It burst forth in early November 1572 and was independently discovered by many individuals.
nebula Astronomy science jellyfish - 8393317888
Via NASA
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Via NASA:

Normally faint and elusive, the Jellyfish Nebula is caught in this alluring telescopic mosaic. The scene is anchored right and left by two bright stars, Mu and Eta Geminorum, at the foot of the celestial twin while the Jellyfish Nebula is the brighter arcing ridge of emission with dangling tentacles below and right of center. In fact, the cosmic jellyfish is part of bubble-shaped supernova remnant IC 443, the expanding debris cloud from a massive star that exploded.