Contact with STEREO-B solar observatory reestablished after 22 months

Contact with STEREO-B solar observatory reestablished after 22 months

After 22 months of failed communication attempts, NASA's Deep Space Network has finally reestablished communication with STEREO-B solar observatory. The STEREO Missions Operations team plans further recovery processes to assess observatory health, re-establish…

STEREO-A solar observatory resumes normal operations

STEREO-A solar observatory resumes normal operations

As of November 17, NASA’s STEREO-A spacecraft (Solar and Terrestrial Relations Observatory Ahead), has once again resumed its science operations and began transmitting data at its full rate. For the previous year, STEREO-A was transmitting only a weak signal,…

Comet Pan-STARRS now visible on STEREO Behind imagery

Comet Pan-STARRS now visible on STEREO Behind imagery

Comet Pan-STARRS (C/2011 L4) passed inside the orbit of Mercury on March 10, 2013 reaching perihelion (its closet approach to the Sun). Now, it is visible object in the field of view of NASA's STEREO-B Heliospheric Imager.

An animation of Comet

Planet Earth now visible in STEREO Behind’s Inner Heliospheric Imager

Planet Earth now visible in STEREO Behind’s Inner Heliospheric Imager

STEREO spacecrafts are moving closer to the points in their orbits at which they will be directly opposite Earth on the other side of the Sun. Earth has been visible in the HI2 telescopes since launch, but this is the first time it’s been visible in either of the HI1

Strong solar activity – M9.3 solar flare took place, expecting CMEs

Strong solar activity – M9.3 solar flare took place, expecting CMEs

Sunspot 1261 is at it again, this time producing a strong M9.3 Solar Flare at 03:57 UTC Thursday morning. It also turns out that yet another Coronal Mass Ejection (CME) was produced and you can see it in the still image below captured by STEREO Ahead.Proton Levels are o