NASA's Goddard Space Flight Center

IRIS and Hinode: A Stellar research team

Modern telescopes and satellites have helped us measure the blazing hot temperatures of the sun from afar. Mostly the temperatures follow a clear pattern: The sun produces energy by fusing hydrogen in its core, so the layers ...

dateAug 25, 2015 in Space Exploration
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Swift satellite reveals a black hole bull's-eye

What looks like a shooting target is actually an image of nested rings of X-ray light centered on an erupting black hole. On June 15, NASA's Swift satellite detected the start of a new outburst from V404 Cygni, where a black ...

dateJul 09, 2015 in Astronomy
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