STEREO probes operations will be curtailed for more than a year

STEREO probes operations will be curtailed for more than a year

NASA's revolutionary twin STEREO probes which allowed us to see the farside of the Sun and make 3D models of incoming CMEs will pass directly behind the Sun later this year making images from the probes unavailable for quite some time.While planning the

Comet ISON entered STEREO Ahead HI1 field of view

Comet ISON entered STEREO Ahead HI1 field of view

Comet ISON entered STEREO Ahead HI1 field of view. First image was taken at 21:34 UTC on November 20, 2013. Both STEREO spacecraft will have a view of the comet in the COR1 and COR2 coronagraphs in the hours around closest approach on November 28.

You can examine

Significant CME heading toward Mars

Significant CME heading toward Mars

A significant CME blasted off the sun today, Oct. 22nd, around 1100 UT. Analysts at the Goddard Space Weather Lab say the cloud is heading for Mars, due to hit the Red Planet on Oct. 26th.  (movie, forecast track)While looking at the latest STEREO Ahead images,

M1.4 Earth-directed solar flare took place

M1.4 Earth-directed solar flare took place

Magnetic fields above sunspot 1261 erupted this morning at 0648 UT, producing an M1-class solar flare. The blast also hurled a bright coronal mass ejection toward Earth. This movie from the STEREO-Ahead spacecraft shows the cloud racing away from the sun at almost