Solar Astronomy

The Sun Bursts to Life: Sunspots, Flares and CMEs

As if to remind us it is still there, the Sun has put on an explosive show of sunspots, flares…

17 years ago

Celebrate Sun-Earth Day 2008 on March 20

Over the past seven years, NASA Sun-Earth Connection Education Forum has sponsored and coordinated education and public outreach events to…

17 years ago

Ulysses Spacecraft Dying of Natural Causes

"One equal temper of heroic heart Made weak by time and fate, but strong in will To strive, to seek,…

17 years ago

Real-Time Solar Storm Warning Now Operational, Protecting Astronauts and Satellites

Highly energetic solar particles are generated by solar flares and can be harmful to astronauts and sensitive satellite circuits. Solar…

17 years ago

The “Astronomical Unit” May Need an Upgrade as the Sun Loses Mass

The Sun is constantly losing mass. Our closest star is shedding material through the solar wind, coronal mass ejections and…

17 years ago

Ulysses Passes Over Sun’s North Pole

Continuing on its epic journey around the Sun, Ulysses has reached the Sun's north pole just in the nick of time.…

17 years ago

SoHO Celebrates its 12th Birthday

On December 2nd, 1995 a large joint ESA and NASA mission was launched to gain an insight to the dynamics…

17 years ago

Hinode Discovers the Sun’s Hidden Sparkle

Blinking spots of intense light are being observed all over the lower atmosphere of the Sun. Not just in the…

17 years ago

Cancer Rates Rise and Fall with Cosmic Rays

Cancer is a mysterious and complicated disease, with many different types and causes. Researchers are still trying to track down…

17 years ago

Comet Holmes is Bigger than the Sun

All right, that title is a little misleading. In fact, when I first read the original press release, my skepticism…

17 years ago