gamma rays - Fresh Lime Soda

The search for a powerful natural particle accelerator

Aug 29, 2022 6 min read

And the promise of one distant supernova remnant.…

HESS telescopes discover new source of gamma rays called a superbubble

Jan 24, 2015 5 min read

Uncategorized 30 Dor C Cherenkov radiation Cherenkov Telescope Array Crab Nebula dark matter Fermi telescope gamma rays High Energy Stereoscopic System Large Magellanic Cloud pulsar wind nebulae superbubbles supernova remnants Tarantula Nebula

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 b…

Type 1a supernova spotted in M82

Jan 23, 2014 3 min read

Uncategorized amateur astronomy gamma rays Koichi Itagaki M82 neutrinos supernovae Type 1a supernova Type 2 supernova

(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 o…

Ambitious gamma-ray telescope takes shape

Jul 4, 2013 3 min read

Uncategorized astrophysics Cherenkov Telescope Array gamma rays Max Planck Institute Saha Institute of Nuclear Physics

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 a…