Mercury transit
In those images of the sun can you spot the planet Mercury, the solar system’s innermost planet? It took about five hours crossing in front of the enormous solar disk in 2003, as viewed from the general vicinity of planet Earth. Image credit SOHO – EIT Consortium, NASA. Need help spotting Mercury?… click here
Ring of fire eclipse on May 20 (video)
A rare event in which the sun will appear as a thin ring behind the moon, will take place on Sunday May 20. This annular solar eclipse will be visible on western United States and eastern Asia.
Pursuit of Light
In this awesome new short, NASA presents the Earth, the planets, the Sun, and the endless universe beyond. It’s six minutes from Earth to forever, and you can see it here!
Impressive Solar Eruption on April 16
A beautiful prominence eruption producing a larger CME, a huge burst of solar wind that throws massive quantities of electromagnetic radiation into space, off the left side of the sun on April 16, 2012 at 17:45 UTC. Image credit NASA/GSFC/SDO
Unidentified Sun object is identified! (video)
On March 12, 2012 Sunsflare posted a video asking if anyone could identify a circular object seen in SDO coronal images, concerning a black spherical anomoly the size of Jupiter on the south east limb of the sun.
Biggest sunspot region in years
An active region on the sun, has been moving across the face of the sun from left to right since March 2, 2012. Designated AR 1429, the spot has so far produced three X-class flares and numerous M-class flares.
Spectacular aurora from high activity on the Sun
The Coronal Mass Ejections (CME) unleashed by active region 1429 initially hit Earth producing amazing displays of aurora like the one shown above over Iceland, photographed by Jónína Óskarsdóttir!
Anticrepuscular Rays over Wyoming
Although the scene may appear somehow supernatural, nothing more unusual is occurring than a setting Sun and some well placed clouds. Pictured above are anticrepuscular rays. Photographer Nate Cassell
A large cloud of particles by Solar eruption
By combining observations from several instruments, we can see an initial solar eruption and the ensuing, large cloud of particles that blasted into space over a 10-hour period (Feb. 9-10, 2012). Credit: NASA/GSFC/STEREO
What causes Aurora?
Aurora are colorful lights in the night time sky primarily appearing in Earth’s polar regions. But what causes them?
