At Last, There’s Evidence of Low-Frequency Gravitational Waves
The NANOGrav team was essentially able to turn the Milky Way into a giant gravitational wave detector by measuring the ...
Tag: astronomy
‘Oumuamua’s Bizarre Acceleration May Have Been Caused by Hydrogen, Not Alien Technology
In October 2017, astronomers detected an interstellar object traveling through our solar system for the first time. Theories abounded as ...
Huge ‘Cell Phone Towers in Space’ Pose Major Threat to Radio Astronomy, Scientists Warn
A trail left by BlueWalker 3 satellite over Kitt Peak National Observatory.Photo: KPNO/NOIRLab/IAU/SKAO/NSF/AURA/R. SparksThe BlueWalker 3 satellite recently unfurled its ...
NASA Will Not Change the James Webb Telescope’s Name
James Webb led NASA in the 1950s and 60s, during the Cold War–era “Lavender Scare,” when government agencies often enforced ...
NASA’s DART Spacecraft Smashes Into an Asteroid—on Purpose
“This is the first time we’ve actually attempted to move something in our solar system with the intent of preventing ...
Where Do High-Energy Cosmic Rays Come From? A Star’s Last Gasp
Gamma rays from this supernova remnant have been seen by telescopes since 2007, but exceptionally energetic light wasn’t detected until ...
Zoom in on Webb Telescope’s Biggest Image Yet
The Webb Space Telescope has taken its biggest image yet, exceeding the scale of the deep field image revealed by ...
New Webb Telescope Images of Jupiter Reveal the Planet’s Glimmering Auroras
Jupiter’s faint rings and two of its moons can be seen against a backdrop of distant galaxies.Image: NASA, ESA, Jupiter ...
At Long Last, Mathematical Proof That Black Holes Are Stable
In 1963, the mathematician Roy Kerr found a solution to Einstein’s equations that precisely described the spacetime outside what we ...