aurora
Chinese Astronomers Recorded Earliest Account of Aurora
How dating an ancient text revealed one of the oldest observations of aurora known.
Here’s the View From Sweden During the Recent Solar Storm
Vivid green and purple aurora swirled and danced across the entire night sky in Sweden recently. The nighttime light show…
Ions Surf Through Jupiter’s Magnetic Field, Triggering its Auroras
Auroras come in many shapes and sizes. Jupiter is well known for its spectacular complement of bright polar lights, which…
Uranus X-Rays are Probably Reflected Sunlight, but There Could be Another Source as Well
X-rays offer a unique insight into the astronomical world. Invisible to the naked eye, most commonly they are thought of…
Brown dwarf discovered with a radio telescope for the first time
A brown dwarf has been detected by a radio telescope, which opens a new way to discover them.
Even Comets Can Have Auroras. Comet 67P/Churyumov-Gerasimenko Does
The ESA's Rosetta mission to Comet 67P/Churyumov-Gerasimenko ended four years ago. On September 30th 2016 the spacecraft was directed into…
Time-Lapse Video Reveals 10 Years of the Sun’s Life Crushed into One Stellar Hour
I forget the Sun is a star. I think we all do sometimes. It’s easy to take for granted. The…
Meet Steve, A Most Peculiar Aurora
A Canadian photographer captures a hot river of glowing gas so peculiar that no one knew at first what it…
Hubble Sees Intense Auroras on Uranus
French astronomers discover the brightest auroras on Uranus ever seen, and they look ... weird.
NASA Fires a Rocket into the Northern Lights, for Science!
Not only is it aurora season in Alaska, its sounding rocket season! NASA started launching a series of five sounding…