sun

Rare Green Flashes Captured From the Moon

[/caption] Green flashes from the Sun at sunset are a rare phenomenon, but even rarer are green flashes from a…

14 years ago

Year One of the Solar Dynamics Observatory – Vote for Your Favorite Solar Events

Over the past year, the Sun has gone from one of quietest periods in decades to the ramping up of…

14 years ago

Interacting Sunspots Spawn Gigantic Solar Flare

From a RAS press release: The largest solar flare recorded in nearly five years was triggered by interactions between five…

14 years ago

Red Suns and Black Trees: Shedding a New Light on Alien Plants

  [/caption] The grass may definitely not be greener on some alien worlds, suggests a new study from the UK.…

14 years ago

Sun Day, April 17th – Get Out And Enjoy!

In keeping with global astronomy month, it's time to get out and enjoy another favorite astronomical target - the Sun!…

14 years ago

Dancing Spiral Magnetic Loops on the Sun

Cascades of spiraling magnetic loops observed in extreme ultraviolet light by Solar Dynamics Observatory danced and twisted above an active…

14 years ago

Just How Active is our Sun Now Compared to Two Years Ago?

This video provided by the Solar Dynamics Observatory provides a side-by-side comparison of the Sun from precisely two years ago…

14 years ago

SDO’s Crazy-Looking Sun Due to Syzygy

[/caption] It looks like something is eating the Sun in recent pictures from the Solar Dynamics Observatory -- and in…

14 years ago

New Technique Separates the Modest Red Giants From the … Giant Red Giants

Based on results from the first year of the Kepler mission, researchers have learned a way to distinguish two different…

14 years ago

Fireworks on the Sun

The Sun continues to be active! This movie from the Solar Dynamics Observatory starts at 11:35 UT on March 24,…

14 years ago