EarthSky Tonight—December 19, Use moon to imagine Pioneer 10 spacecraft
Northernmost total lunar eclipse of 21st century on December 20/21
News for Norther Colorado and the world
Northernmost total lunar eclipse of 21st century on December 20/21
Early stargazers sometimes described the Pleiades as a ’swarm of bees’ in the night sky
Tonight’s moon is near apogee, or farthest from Earth for this month
Neptune, the 8th planet out from the sun, is the only solar system planet that you absolutely cannot see with the unaided eye.
When the moon drops out of the evening sky in late August and the first week in September, you can use the stinger stars to star-hop to two beautiful deep-sky…
The Earth’s average speed is about 67,000 miles an hour, while Jupiter lumbers along at less than half that speed, or about 29,000 miles an hour.
In a dark country sky, you will have no trouble seeing the Scorpion’s J-shaped loop of stars and the two stinger stars, Shaula and Lesath.
To immortalize this story about Orion and the Scorpion, the gods turned the two archenemies into constellations.
The moon is a chunk of rock, shining with sunlight that reflects from its surface. It can appear to cover Antares only because the moon is so close to us…
The Great Rift of the Summer Milky Way passes through the Summer Triangle, between the stars Vega and Altair.