Where in the spectrum are u........Roy G biv??

Dying Supergiant Stars Implicated in Hours-long Gamma-Ray Bursts ...

www.nasa.gov/mission_pages/swift/bursts/supergiant-stars.html

NASA

by L Jenner - ‎2015

Dying Supergiant Stars Implicated in Hours-long Gamma-Ray Bursts ... star is engulfed by, spirals into and merges with an evolved giant star in a distant galaxy.

Gamma-ray burst - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Gamma-ray_burst

Wikipedia

Gamma-ray bursts (GRBs) are flashes of gamma rays associated with extremely energetic ..... A small fraction of short gamma-ray bursts are probably produced by giant flares from soft gamma repeaters in nearby galaxies ... Almost every well-studied long gamma-ray burst has been linked to a galaxy with rapid star formation, ...

Normal Stars - Chandra X-ray Observatory

chandra.harvard.edu/photo/category/stars.html

Chandra X‑ray Observatory

Chandra Images by Category: Normal Stars & Star Clusters -Stellar coronas, clusters ... A Sun-likestar in its "red giant" phase about 1,000 light years from Earth.

Gigantic supernova explains mysterious gamma-ray burst ...

sciencenordic.com/gigantic-supernova-explains-mysterious-gamma-ray-burst

Aug 5, 2015 - Gamma-ray bursts are powerful bursts of energy -- the most energetic ... The supernova occurred when a rapidly rotating giant star collapsed, ...

some like it hot: the x-ray emission of the giant star yy ... - IOPscience

iopscience.iop.org/article/10.1086/424590/pdf

Institute of Physics

by M Audard - ‎2004 - ‎Cited by 28 - ‎Related articles

We present an analysis of the X-ray emission of the rapidly rotating giant star YY Mensae observed by Chandra. HETGS and XMM-Newton. The high-resolution ...

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Exploding giant star sent longest gamma-ray blast, astronomers say ...

articles.latimes.com/.../la-sci-sn-gamma-ray-burst-ultra-long-discovered-risk-2013041...

Exploding giant star sent longest gamma-ray blast, scientists say. April 16, 2013|By Amina Khan. An artist's rendition of a close-up view of a star creating a ...

Will the Giant Star Betelgeuse Go HyperNova? - The Daily Galaxy ...

www.dailygalaxy.com/my_weblog/.../will-the-giant-star-betelgeuse-go-hypernova.ht...

Aug 29, 2011 - At sizes of around four megayottagrams (that's thirty-two zeros) giant stars are supported against gravitational collapse by gamma ray pressure.