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STEREO

STEREO Spots a CME Soaring Into Space

September 10, 2012

Want to stay on top of all the space news? Follow @universetoday on Twitter Press “play.” Say “wow.” The enormous eruption of a solar prominence and resulting coronal mass ejection (CME) back on August 31 that was captured in amazing HD by NASA’s Solar Dynamics Observatory was also spotted by the Sun-flanking STEREO-B spacecraft, which [...]

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NASA’s STEREO Spots a New Nova

May 1, 2012

While on duty observing the Sun from its position in solar orbit, NASA’s STEREO-B spacecraft captured the sudden appearance of a distant bright object. This flare-up turned out to be a nova — designated Sagittarii 2012 — the violent expulsion of material and radiation from a re-igniting white dwarf star. Remove this ad

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Watch Mercury Get Smacked By CMEs

April 9, 2012

The bright object in the center of this video sequence is the planet Mercury, seen by NASA’s STEREO-B spacecraft as it was pummeled by wave after wave of solar material ejected from the Sun during the week of March 25 – April 2, 2012. The video above was released by NASA’s Goddard Space Flight Center [...]

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Navy Scientists Spot New Solar Structures

April 9, 2012

There’s something new under the Sun… well, just above the Sun, actually. Scientists at the Naval Research Laboratory have spotted structures in the Sun’s super-hot corona that may shed some light on the way its magnetic fields evolve — especially near the edges of vast, wind-spewing coronal holes. Remove this ad

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Solar Prominence

March 13, 2012

The Sun appears as a bright featureless disk, but if you have a good telescope with the right filters, you can actually see much more activity on the Sun. There are dark sunspots on the surface, and prominences leaping up from Sun. When we see prominences face on, they look like cooler lines on the [...]

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