Solar winds

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Voyager 1 and 2 are now in the 'Heliosheath' - the outermost layer of the heliosphere

Apr 26, 2013 05:03 PM EDT

Follow Voyager's Epic Interstellar Mission Online

The twin deep-space exploring spacecraft Voyager 1 and 2 continue their travel where nothing from Earth has flown before, and are now on the verge of leaving our Solar System for interstellar space! This data can now be followed live online on the Voyager home page, where a gauge tracks levels of tw...

Feb 05, 2013 08:22 PM EST

Mysterious Ribbon Around Our Solar System Explained

A mysterious phenomenon was discovered at the outer most border of our solar system when a special instrument was launched which could observe this region for the first time. This border is defined as the heliosphere, where material streaming out from the sun interacts with the galactic material. It...

Jan 04, 2013 07:17 PM EST

Solar eruption on NYE [NASA Image of the day]

While it was New Year's Eve on Earth, the NASA Solar Dynamics Observatory captured this solar eruption, a truly gigantic and magnificent kind of firework. The flare shot about 260,000 kilometers out from the Sun. While it was a rather small eruption, it corresponds to 20 times the size of Earth with...