magnetic fields
Groundbreaking New Maps of the Sun’s Coronal Magnetic Fields
If you enjoyed this summer's display of aurora borealis, thank the Sun's corona. The corona is the Sun's outer layer…
Black Holes Dominate Large Regions of Space, But They’re Mysterious
In the beginning, the Universe was all primordial gas. Somehow, some of it was swept up into supermassive black holes…
Webb Sees a Star in the Midst of Formation
Wherever the JWST looks in space, matter and energy are interacting in spectacular displays. The Webb reveals more detail in…
Astronomers Have Mapped the Milky Way's Magnetic Fields in 3D
Researchers have developed the first 3D maps of magnetic field structures within a spiral arm of the Milky Way. While…
The Second Most Energetic Cosmic Ray Ever Found
"Oh My God," someone must have said in 1991 when researchers detected the most energetic cosmic ray ever to strike…
Webb’s Infrared Eye Reveals the Heart of the Milky Way
The JWST is taking a break from studying the distant Universe and has trained its infrared eye on the heart…
The Tarantula Nebula Shouldn’t Be Forming Stars. What’s Going On?
The Tarantula Nebula is a star formation region in the Large Magellanic Cloud (LMC). Tarantula is about 160,000 light-years away…
These New Computer Simulations of the Sun are Hypnotic
It's almost impossible to over-emphasize the primal, raging, natural power of a star. Our Sun may appear benign in simple…
New Images Reveal the Magnetic Fields in the Horsehead Nebula
A high-school student and an international team of astronomers created the first-ever map of the Horsehead Nebula's magnetic field.
Meteorites Store a Magnetic Memory of the Early Solar System
Magnets are a handy tool for finding meteorites, but they can also erase vital clues about the early solar system.