来自MSN2 个月
Huge black hole on fire, emits gamma rays billions times stronger than visible light
Now, this same black hole is once again captivating scientists with an extraordinary gamma-ray flare that’s emitted photons hundreds of billions of times more powerful than visible light.
Purdue University6 年
Gamma-ray bursts challenge theoretical models
"This is the brightest source of high-energy gamma rays we have ever observed," says James Gaidos, professor of physics at Purdue University and a member of the research team. "In addition, the bursts ...
Business Insider8 年
NASA's Fermi space telescope can now see solar flares that it couldn't detect before
An curved arrow pointing right. NASA's Fermi Gamma-ray Space Telescope can now detect solar flares occuring on the side of the sun it cannot see. This could help scientists better understand solar ...
Lupus Foundation of America11 年
Decreasing UV exposure from fluorescent lights
In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...
Business Today26 天
Breakthrough in cosmic observation: India’s MACE telescope spots 8-billion-year-old gamma ...
India’s MACE telescope has detected a gamma-ray flare from a distant quasar, marking a breakthrough in cosmic observation. The burst, originating from quasar OP 313 (B2 1308+326), is 8 billion ...