sun

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

Absolutely Amazing: ISS, Discovery Transit Sun Near Active Sunspot Region

[/caption] Amateur astronomer Catalin Fus from Poland has captured one of the most amazing images I’ve ever seen – and…

14 years ago

Solar System’s Story Revealed in a Pea

[/caption] Feast your eyes on some of the solar system's earliest materials: the pink core comprises melilite, spinel and perovskite.…

14 years ago

New Study: Sun’s Deep Physics Explain Sunspot-Free Days

[/caption] The long lull in sunspots at the end of Solar Cycle 23 wasn't just fodder for global cooling predictions…

14 years ago

SDO Captures a Monster Solar Prominence

The Sun continues to be active! A large-sized (M 3.6 class) flare occurred near the edge of the Sun on…

14 years ago

Sunspot Activity Hasn’t Stopped Yet

[/caption] According to SpaceWeather: "Fast-growing active region 1161 erupted this morning, producing an M6.6-class solar flare at 1011 UT. The…

14 years ago

Sun Unleashes Biggest Flare of the Current Cycle

[/caption] On February 13, 2011, sunspot 1158 let loose the strongest solar flare of the current solar cycle, a blast…

14 years ago

Earths Entire Star for the First Time on Super SUNday

[/caption] Super Bowl SUNday XLV marks a watershed moment in observing our Sun. Today, February 6, 2011, NASA’s twin STEREO…

14 years ago