Tuesday, March 19, 2024

Archive for July 4, 2010

Earthsky Tonight—July 5, 2010: Constellation named

Earthsky Tonight—July 5, 2010: Constellation named for a Polish king

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Now that the moon is past last quarter and therefore gone from the evening sky, look for one of summer’s most beautiful celestial sights. Be sure you are looking in a dark country sky, on a night when the moon is down. In a dark country sky, you will find a hazy pathway stretched across the sky during the late July evening hours. This band is the starlit trail of our own Milky Way galaxy. Looking southward late in the evening ... Full Story

Earthsky Tonight—July 4, Draco the Dragon on July

Earthsky Tonight—July 4, Draco the Dragon on July evenings

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org At nightfall tonight, the starlit Eyes of Draco the Dragon peer down upon you from almost overhead. Their names are Eltanin and Rastaban. If the sun, Eltanin and Rastaban all were located the same distance from us, it’s thought that Eltanin would shine 600 times more brightly than our sun and that Rastaban would shine 950 times more brightly. Though Rastaban is actually the more luminous of these two stars, Eltanin appears ... Full Story