Astronaut Serena Auñón-Chancellor at Excel Academy In Washington, D.C.

Astronaut Serena Auñón-Chancellor at Excel Academy In Washington, D.C.

NASA astronaut Serena Auñón-Chancellor is hugged by students after a presentation about her experience on Expeditions 56 and 57 onboard the International Space Station at Excel Academy Public Charter School in DC.

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Mature Galaxy Mesmerizes in New Hubble View

Mature Galaxy Mesmerizes in New Hubble View

NGC 7773 is a beautiful example of a barred spiral galaxy. A luminous bar-shaped structure cuts prominently through the galaxy’s bright core, extending to the inner boundary of NGC 7773’s sweeping, pinwheel-like spiral arms. Astronomers think that these bar structures emerge later in the lifetime of a galaxy.

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NASA Image of the Day

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