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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

Sun Dance

Explanation: Hot gas dances across the surface of the Sun in this picture from the orbiting TRACE satellite . The temperature of the gas is color coded so that blue represents hundreds of thousands of Kelvin , while red represents extreme temperatures in the millions of Kelvin. Hot gas is channeled into lanes ordered by the Sun's chaotic magnetic field . Pictures like these have shown that plasma heating occurs in relatively small regions.

Date August 11, 1998
Credit Credit: A. Title (Stanford Lockheed Institute), TRACE, NASA
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.