JWST NIRSpec
The Brightest Gamma Ray Burst Ever Seen Came from a Collapsing Star
After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on…
4 weeks ago
Why Was it Tricky to Know the Distances to Galaxies JWST Was Seeing?
One of the chief objectives of the James Webb Space Telescope (JWST) is to study the formation and evolution of…
5 months ago
Adolescent Galaxies are Incandescent and Contain Unexpected Elements
If the Universe has adolescent galaxies, they're the ones that formed about 2 to 3 billion years after the Big…
6 months ago
Supermassive Black Holes Shut Down Star Formation During Cosmic Noon
Using data from Webb's NIRSpec instrument, an international team has confirmed that quasars shut down star formation in galaxies billions…
6 months ago
JWST Searches for Planets in the Fomalhaut System
The Fomalhaut system is nearby in astronomical terms, and it's also one of the brightest stars in the night sky.…
6 months ago
After DART Smashed Into Dimorphos, What Happened to the Larger Asteroid Didymos?
NASA's DART mission (Double Asteroid Redirection Test) slammed into asteroid Dimorphos in September 2022, changing its orbital period. Ground and…
7 months ago