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,…

STEREO-A spacecraft returns data from the far side of the Sun

STEREO-A spacecraft returns data from the far side of the Sun

On July 11, 2015 we received our first images in over three months from NASA's Solar TErrestrial RElations Observatory Ahead spacecraft, or STEREO-A. Since March 24, 2015, STEREO-A has been on the far side of the sun, where it has had to operate in safe mode, collec

Spacecraft sees solar storm engulf Earth

Spacecraft sees solar storm engulf Earth

For the first time, a spacecraft far from Earth has turned and watched a solar storm engulf our planet. The movie, released today during a NASA press conference, has galvanized solar physicists, who say it could lead to important advances in space weather forecasting.

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