One half million mile solar filament

Aug 13, 2012
Credit: NASA/SDO

This image (above) from NASA’s Solar Dynamics Observatory (SDO) shows a very long, whip-like solar filament extending over half a million miles in a long arc above the sun’s surface.

Filaments are cooler clouds of solar material that are tethered above the ’s surface by unstable magnetic forces.

The image and video (below), which covers August 6 to 8, 2012 show the filament as a darker strand that has been in view for several days. Towards the end of the video part of the filament seems to break away, but its basic length and shape seem to have remained mostly intact.


Explore further: Water fleas prepared for trip to space

add to favorites email to friend print save as pdf

Related Stories

Huge coronal hole is sending solar wind our way

Mar 14, 2012

An enormous triangular hole in the Sun’s corona was captured earlier today by NASA’s Solar Dynamics Observatory, seen above from the AIA 211 imaging assembly. This gap in the Sun’s atmosphere ...

Prelude to an X-Class solar flare

Jul 17, 2012

What takes place on the Sun before it unleashes a huge solar flare? It’s a thing of beauty, and observations from the Solar Dynamics Observatory are helping scientists understand how magnetic energy on ...

Solar Dynamics Observatory goes for a spin

Apr 09, 2012

(Phys.org) -- On April 4, 2012, NASA's Solar Dynamics Observatory (SDO) did a 360. It rolled completely around its axis – something it does twice a year. In this movie, the dizzying view looks as if the ...

SDO's crazy-looking Sun due to syzygy

Apr 04, 2011

It looks like something is eating the Sun in recent pictures from the Solar Dynamics Observatory — and in recent SDO videos, the Sun suddenly disappears! What is going on? Could it be aliens, Planet X, ...

Recommended for you

Water fleas prepared for trip to space

3 hours ago

Local 'Daphnia' waterfleas are currently being prepared by scientists at the University of Birmingham for their trip to the International Space Station (ISS), where they will be observed by astronauts.

The worst trip around the world

4 hours ago

As you celebrate the end of the year in the warmth of your home, spare a thought for the organisms riding with a third-class ticket on the International Space Station – bolted to the outside with no protection ...

Four Galileo satellites at ESA test centre

5 hours ago

ESA engineers unwrapped a welcome Christmas present: the latest Galileo satellite. The navigation satellite will undergo a full checkout in Europe's largest satellite test facility to prove its readiness ...

Funding challenges for Orion and SLS

5 hours ago

The Government Accountability Office (GAO) is the audit, evaluation, and investigative arm of Congress, which exists to support Congress in meeting its constitutional responsibilities and to help improve ...

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.