Concept Plane: Supersonic Green Machine
What will passenger airplanes be like in the future? To help brainstorm desirable and workable attributes, NASA sponsors […]
Astronomy
Portrait of NGC 281
Look through the cosmic cloud cataloged as NGC 281 and you might miss the stars of open cluster […]
LIGO Virgo GW170814 Skymap
From around planet Earth three gravitational wave detectors have now reported a joint detection of ripples in spacetime, […]
Layers of a Total Solar Eclipse
Neither rain, nor snow, nor dark of night can keep a space-based spacecraft from watching the Sun. In […]
Massive Shell Expelling Star G79 29 0 46
Stars this volatile are quite rare. Captured in the midst of dust clouds and visible to the right […]
A Conjunction of Comets
A conjunction of comets is captured in this pretty star field from the morning of September 17. Discovered […]
Solar Eclipse Solargraph
Today is the September equinox. Heading south, the Sun’s path through the sky will cross the celestial equator […]
A September Morning Sky
The Moon, three planets, and a bright star gathered near the ecliptic plane in the September 18 morning […]
The Big Corona
Most photographs don’t adequately portray the magnificence of the Sun‘s corona. Seeing the corona first-hand during a total […]
Veil Nebula: Wisps of an Exploded Star
Wisps like this are all that remain visible of a Milky Way star. About 7,000 years ago that […]