I noticed this in our sidebar SDO solar image and grabbed it. It has happened before, last year.
Tag: Solar Dynamics Observatory
Watch sunspot group 1158 form from nothing
UPDATE: Leif Svalgaard provides us a magnetic movie (SDO HMI) which I’ve also converted and added below. It’s a real treat too. This is truly an impressive animation from the…
M class solar flare today
Dr. Leif Svalgaard writes in a short email: M6.6 flare kicks F10.7 to 126 sfu Here’s the flare on the X-ray plot:Here’s the xray image: So while the sun has…
For the first time ever, we can image the sun in 360°
Latest image of the far side of the Sun based on high resolution STEREO data, taken on February 2, 2011 at 23:56 UT when there was still a small gap…
Earthly cloud similarities seen in solar CMEs
New SDO images show CMEs exploding from the Sun ripples like clouds do on Earth. It looks a lot like this photo, showing the well known Kelvin-Helmholtz instability. =============================================================== From…
New WUWT Solar Images and Data Page
I’ve done some house cleaning and maintenance today to replace the aging SOHO image on the sidebar (which had not been updating since January 11th, thanks to Ric Werme for…
Longstanding Mystery of Sun's Hot Outer Atmosphere Solved
From the National Science Foundation: Answer lies in jets of plasma One of the most enduring mysteries in solar physics is why the Sun’s outer atmosphere, or corona, is millions…
Solar Geomagnetic Ap Index Hits Zero
This is something you really don’t expect to see this far into solar cycle 24. But there it is, the Solar Dynamics Observatory satellite shows the sun as a cueball:…
Global Eruption Rocks the Sun
I should point out that thanks to the Solar Dynamics Observatory (SDO), we can see things that we’ve never seen before. So while this event is unprecedented in the history…
Massive solar filament eruption captured by SDO
The Solar Dynamics Observatory satellite captured this image yesterday. A massive filament on the Sun erupted in a stunning display as seen here in the videos below. The giant solar…
SOHO – 15 years today
Dr. Leif Svalgaard advises via email that today is the 15th anniversary of the SOHO(Solar and Heliospheric Observatory). Here’s a story to celebrate one of the most successful space missions…
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