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: space
Spotted a UFO? There’s an App for That
The tech startup Enigma Labs wants to turn UFO sightings into data science. Previously, people who had seen strange lights darting ...
How to Measure Ripples in Spacetime
When a gravitational wave passes through Earth, it causes space itself to stretch in one direction and compress in the ...
A New NASA Satellite Will Map Earth’s Rising Seas
SWOT could turn out to be a major improvement over measurements by previous satellites. “Instead of a ‘pencil beam’ moving ...
NASA’s Orion Moon Capsule Is Back. What Happens Next?
After circling the moon for the past three weeks, NASA’s Orion capsule splashed down under parachute yesterday morning off the ...
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 ...
The Physics of Smashing a Spacecraft Into an Asteroid
There are a couple of things to notice. First, after the collision DART is moving backwards, because it bounced. Since ...
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 ...
NASA Delays the Launch of Its Giant Moon-Bound Rocket
NASA has pushed back the launch of its Artemis 1 mission to the moon due to an issue with one ...
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 ...