The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

Celestial Poles: The Points On The Celestial Sphere Directly Overhead At Either Of The Earth’s Poles. The Projection Of Earth’s Poles Into Space…. Celestial Equator: The Imaginary East-West Line That ...

Penton-Miller Columnist The grand old oak stands with her arms reaching upward to the sky bare of leaves like a lady in ...

This stone slab with the carvings of a planisphere, a chart of constellations, was made in 1396 by 11 astronomers including Gwon Geun and Yu Bang-taek under the orders of King Taejo.

Skywatchers in central Florida and southern Texas can witness a rare lunar standstill on Feb. 7, as the waxing gibbous moon ...