News tagged with sun

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Q&A: Comet ISON

(Phys.org) —Don Yeomans, a senior research scientist at JPL, keeps a watchful eye on near-Earth objects—asteroids, comets and other space rocks. Yeomans heads a group charged by NASA to watch for objects ...

Nov 26, 2013
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How far are the planets from the Sun?

The eight planets in our solar system each occupy their own orbits around the Sun. They orbit the star in ellipses, which means their distance to the sun varies depending on where they are in their orbits. ...

Apr 22, 2014
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Sun emits fourth X-class flare in a week

The sun emitted a significant solar flare—its fourth X-class flare since Oct. 23, 2013—peaking at 5:54 p.m. on Oct. 29, 2013. Solar flares are powerful bursts of radiation. Harmful radiation from a flare ...

Oct 30, 2013
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