Dead stars in Milky Way’s companion galaxy cause mysterious gamma-ray cocoon

Mysterious ultrabright gamma-ray emissions in the giant bubbles blown out by our galaxy may finally have an explanation.

Researchers used data from the Gaia and Fermi space telescopes to search through the Fermi bubbles, a pair of colossal hourglass-shaped bubbles that extend from the poles of the Milky Way and span 50,000 light-years, to trace the source of the very bright gamma-ray emission spots.



Source link

Latest

‘I’m hanging from a tree’: Base jumper stuck after dangerous mishap

An Australian base jumper spent hours dangling from a...

Chief Executive Officer (5 year specified purpose contract) 

The Health Service Executive (HSE)  ...

Tamil Nadu CM Stalin to DMK leaders: Stay away from controversial speeches

Tamil Nadu Chief Minister M K Stalin on Monday...

Interpol seeks arrest of failed crypto-firm boss Do Kwon

Agency asks police forces around the world to seek...

Here’s how olivine may trigger deep earthquakes

Cocooned within the bowels of the Earth, one mineral’s metamorphosis into another may trigger some of the deepest earthquakes ever detected. These cryptic tremors —...

NASA’s DART spacecraft will crash into an asteroid tonight: Watch live

Brace for impact.NASA's Double Asteroid Redirection Test (DART) spacecraft is hurtling toward the asteroid Didymos and its moonlet Dimorphos, and it'll reach its target...

U.S. Spy Satellite Launched Into Orbit From California

VANDENBERG SPACE FORCE BASE, Calif. (AP) — A classified satellite for the U.S. National Reconnaissance Office launched into orbit aboard a United Launch Alliance...