October 12th, 2012 at 11:31AM
(via APOD: 2012 October 9 - Simeis 147: Supernova Remnant) Simeis 147: Supernova Remnant Image Credit & Copyright: Rogelio Bernal Andreo (Deep Sky Colors) The remnant of a supernova event, cataloged as Simeis 147 or Sharpless2-240, this ball of glowing debris is a full three degrees across in the sky, between Taurus and Auriga. The red glow is narrow-band hydrogen-alpha data, showing the gas that has been abruptly heated by the shockwave of the supernova, ionizing it. As it re-cools and collects electrons again, it glows red. The explosion left behind a spinning neutron star, a pulsar, at the core.

(via APOD: 2012 October 9 - Simeis 147: Supernova Remnant)

Simeis 147: Supernova Remnant 
Image Credit & Copyright: Rogelio Bernal Andreo (Deep Sky Colors)

The remnant of a supernova event, cataloged as Simeis 147 or Sharpless2-240, this ball of glowing debris is a full three degrees across in the sky, between Taurus and Auriga. The red glow is narrow-band hydrogen-alpha data, showing the gas that has been abruptly heated by the shockwave of the supernova, ionizing it. As it re-cools and collects electrons again, it glows red.

The explosion left behind a spinning neutron star, a pulsar, at the core.

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9 notes Source: apod.nasa.gov #APOD#NASA#supernova#remnant#pulsar#neutron star#hydrogen alpha#astronomy#stellar evolution#space#science#astrophysics
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