Brian Koberlein
Small Magnetic Fields Have a Big Impact on the Sun's Atmosphere
Surrounding the brilliant Sun is a layer of diffuse plasma known as the corona. You can't see it most of…
Are Pulsars the Key to Finding Dark Matter?
The search for dark matter continues, with astronomers developing new hypotheses to search for this invisible gravitational influence on the…
More JWST Observations are Finding Fewer Early Massive Galaxies
Astronomers using JWST were surprised to find mature-looking galaxies in the early Universe; they challenged existing models of cosmology. Astronomers…
A Pulsar Suddenly Threw Out Radiation 200 Times More Energetic
Pulsars are so dependable you could set your watch to them, sometimes turning hundreds of times a second with incredible…
Here's What it Would Take to See a Black Hole's Photon Ring
In 2019, the Event Horizon Telescope gave us the first-ever image of a black hole's event horizon, revealing the area…
Starlinks are Easily Detected by Radio Telescopes
Visible and infrared astronomers are concerned about light pollution from satellite megaconstellations, and radio astronomers should be concerned too. A…
What Caused Eta Carinae’s 1840 “Great Eruption?”
n 1840, a seemingly innocuous star, Eta Carinae, suddenly brightened to become one of the brightest stars in the sky…
Will Solar Panels Work at Proxima Centauri?
Solar panels are the perfect way to provide electricity for spacecraft operating near the Sun. Spacecraft as far out as…
Old Stars Don't Have Hot Jupiters
Hot jupiters are giant planets that orbit extremely close to their stars, completing an orbit in a few days or…
Astronomers Watched a Massive Star Just… Disappear. Now JWST Might Have Some Answers
In 2009, astronomers watched a bizarre mystery unfold. An enormous star, with 25 times the mass of the Sun, faded…