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NASA's Dawn spacecraft obtained this image on its approach to the protoplanet Vesta, the second-most massive object in the main asteroid belt. The image was obtained on June 20, 2011.
Vesta is the second largest asteroid in the solar system.
On Feb. 13th at 1738 UT, sunspot 1158 unleashed the strongest solar flare of the year so far, an M6.6-category X-ray irradiance magnitude blast. NASA's Solar Dynamics Observatory recorded an intense flash of extreme ultraviolet radiation. The source of th
The sun's unceasing activity affects our planet beyond providi...
The Sun’s atmosphere can fling out streams of high-energy particles called solar flares. The charged particles can disrupt communication & satellite technology. Solar flares can release untold amounts of energy.
The sun is at the heart of our solar system and is the largest...
A white dwarf occurs when a star expels most of its outer layers to leave a hot core. Scientists discovered that a white dwarf is composed of crystallized carbon
Stars are giant, luminous spheres of plasma. SPACE.com offers ...
Solar System at Space.com: Explore Solar System Articles, Features and Images
The sun is at the heart of our solar system and 8 planets orbi...
Douglas Wheelock takes a picture of the moon.
Scientists say a giant impact knocked off the raw ingredients ...
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