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STEREO Shows Comet ISON Approaching the Sun

These SDO images from 7:25 p.m. EST on Feb. 24, 2014, show the first moments of an X-class flare in different wavelengths of light -- seen as the bright spot that appears on the left limb of the sun. Hot solar material can be seen hovering above the active region in the sun's atmosphere, the corona.

Press Releases & Feature Stories

NASA's SDO Spots a Summer Solar Flare

On July 8, 2014, an eruption of solar material was seen arcing up and away. After it left the sun, this became a coronal mass ejection, a giant cloud of solar material, headed toward Mars.

NASA MESSENGER and STEREO Measurements Open New Window Into High- Energy Processes on the Sun

MESSENGER is near enough to the sun to detect solar neutrons that are created in solar flares. How far they travel into space depends on their speed with an average lifetime of 15 minutes.

NASA's STEREO Entering New Stage of Operations

The STEREO spacecraft's are about to enter a new phase of their journey: a time when the bright light and heat of the sun (Superior Conjunction) will stand in the way of sending data back to Earth.

Q & A for Operations of STEREO During Superior Conjunction

Questions and Answers for Operations of STEREO mission during its upcoming Superior Conjunction period.

Puffing Sun Gives Birth To Reluctant Eruption

On Jan 17, ESA and NASA (SOHO) spacecraft observed puffs emanating from the base of the corona and rapidly exploding outwards into interplanetary space. The puffs occurred roughly once every 3 hours.
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The Solar Physics Laboratory works to understand the Sun as a star and as the primary driver of activity throughout the solar system. Our research expands knowledge of the Earth-Sun system and helps to enable robotic and human exploration.

We develop innovative instruments and mission concepts, theoretical models, and techniques to access and analyze data. The Laboratory provides project scientists for NASA missions, assists with strategic planning and mission definition, and communicates research results to the international scientific community and the public.

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Susan M Hendrix

General inquiries about the scientific programs at NASA's Goddard Space Flight Center may be directed to the Office of Communications at 1.301.286.8955.

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