Scicomm
The search for a powerful natural particle accelerator
And the promise of one distant supernova remnant.
gamma rays
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HESS telescopes discover new source of gamma rays called a superbubble
Astronomers using the HESS telescopes have discovered a new source of high-energy gamma rays. Dubbed a superbubble, it appears to be a massive shell of gas and dust 270 light-years in diameter being blown outward by the radiation from multiple stars and supernovas. HESS also discovered two other gamma-ray sources,
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Type 1a supernova spotted in M82
(A version of this piece appeared on The Hindu, Chennai, website on January 22 as written by me.) A Type 1a supernova was spotted a few hours ago by stargazers in the starburst galaxy M82, which is only 11.4 million light-years away from Earth (here’s an interactive map
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Ambitious gamma-ray telescope takes shape
I wrote a shortened version of this piece for The Hindu on July 4, 2013. This is the longer version, with some more details thrown in. -- Scientists and engineers from 27 countries including India are pitching for a next-generation gamma-ray telescope that could transform the future of high-energy astrophysics.