Browse Archive
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Join STEREO and Explore Gravitational "Parking Lots" That May Hold Secret of Moon's Origin
Two places on opposite sides of Earth may hold the secret to how the moon was born.
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STEREO in Quadrature
January 24, 2009 marks the point at which the two STEREO spacecraft reach 90 degrees separation, a condition known as quadrature. Since the two STEREO spacecraft went into orbit around the Sun at the beginning of 2007, they have been slowly drifting apart from Earth, and from each other. After two years in solar orbit, the two spacecraft have finally reached quadrature.
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SECCHI Makes a Fantastic Recovery!
You would think that, after 13-years of historic comet discoveries with SOHO and two years of amazing STEREO/SECCHI observations and discoveries, we had put a check-mark in most of the boxes for comet-related achievements. But last week, Australian comet-hunter Alan Watson helped us with yet another historic achievement -- the recovery of a comet! Here's how it unfolded.
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Solar Flare Surprise
Solar flares are the most powerful explosions in the solar system. Packing a punch equal to a hundred million hydrogen bombs, they obliterate everything in their immediate vicinity. Not a single atom should remain intact. At least that's how it's supposed to work.
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Twisting Solar Jets in STEREO
Coronal jets are small-scale transient ejections of hot gases, or plasma, occurring in the solar atmosphere. During a typical event, about a million tons of matter are ejected at speeds reaching a million miles per hour over a few minutes' time.
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Solar Tsunami - May 19, 2007
Sequences of STEREO satellite images of a solar tsunami blasting across the Sun's million degree atmosphere.
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Killer Electrons Surf Celestial Tsunamis
Boosted to almost the speed of light, "killer electrons" can knock out computers, pierce spacesuits and damage the tissues of astronauts.
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Solar Hurricane Tears Comet Tail Off
NASA's STEREO satellite captured the first images ever of a collision between a coronal mass ejection and a comet.
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New Film Opening in Boston Gives First 3D Look at the Sun
NASA's STEREO Mission is being presented in a new digital 3D film titled "3D Sun."
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Out on the Fringe
STEREO observed a nice gathering of solar prominences in profile as they twisted, stretched and floated just above the solar surface.
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STEREO Produces Solar Sequence in 3-D
By combining images taken almost simultaneously from the Ahead and Behind STEREO spacecraft, researchers have generated a 3-D sequence of four images.
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Two Eclipses, One Observed Only by NASA
A total lunar eclipse, partly visible from every continent around the world, will occur on March 3, 2007.
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Media Briefing: New Solar Images Herald Better Solar Storm Tracking
NASA scientists can track solar storms from the sun to Earth using the latest images from NASA's STEREO spacecraft.
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Twin Spacecraft Swing Past Moon, Preparing for 3-D Solar Studies
STEREO is in position and ready to get to work after its lunar flyby.
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STEREO Sees Comet McNaught
Comet McNaught caught by the Heliospheric Imager on one of the STEREO spacecraft.
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Australian Radio Features STEREO
Radio listeners in Australia have been following STEREO's progress and you can too!
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Space Scientists Find Music in the Solar Wind →
Some STEREO instruments won't produce images, but scientists think they can make some beautiful music.
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Safeguarding Our Satellites From the Sun
Solar blasts from the past reveal some expensive consequences and important incentives to improve our understanding.
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Sickening Solar Flares
STEREO will help make space travel safer and protect astronauts on the moon.
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Stay Tuned for a STEREO View of Stormy Space Weather
The thrills! The chills! Soon you'll be able to see for the first time ever, in dazzling three dimensions...