aurora

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…

3 months ago

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…

6 months ago

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…

10 months ago

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.

1 year ago

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…

1 year ago

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…

2 years ago

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…

5 years ago

Hubble Sees Intense Auroras on Uranus

French astronomers discover the brightest auroras on Uranus ever seen, and they look ... weird.

5 years ago

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…

5 years ago

What Was the Carrington Event?

In 1859, the Sun gave off the most powerful solar flare on record. A blast of radiation and particles so…

5 years ago