EarthSky Tonight—Oct. 30, As Halloween approaches, find the Ghoul Star of Perseus
This star’s proper name comes from the Arabic for head of the ghoul, or head of the demon.
EarthSky Tonight—Oct. 29, Last quarter moon marks direction of Earth’s orbital motion
The terminator – the shadow line dividing the lunar day from the lunar night – shows you where it’s sunset on the waning moon.
EarthSky Tonight—Oct. 28, Mira the Wonderful, a famous variable star
Menkar is the brightest star in Cetus. It has located about 220 light-years away.
EarthSky Tonight—Tonight Oct. 27, Where is the Big Dipper on these autumn evenings?
However, Merak, Mizar, Alioth, Megrez and Phecda are part of a single star grouping
EarthSky Tonight—October 26, Moon farthest north, near star Elnath
The moon reaches its farthest point north of the celestial equator once a month. In contrast, the sun reaches its northernmost point but once a year.
EarthSky Tonight—October 25, Moon between Pleiades and star Aldebaran
The farther east you live of North America, the closer the moon will appear to the Pleaides in tonight’s evening sky.
EarthSky Tonight—October 24, Moon can guide you to Pleiades star cluster
The Pleaides cluster returns to the same place in the sky about 4 minutes earlier every night, but the moon rises an average 50 minutes later each evening. Several days…
EarthSky Tonight—October 23, Waning moon rises soon after sunset
he full moon reached the crest of its full phase today (Saturday, October 23) at 1:36 Universal Time. For the Central Time zone in the U.S., that was 8:36 p.m.…
EarthSky Tonight—October 21, Full Hunter’s Moon of 2010 tomorrow
Be aware that the Harvest and Hunter’s Moons are seasonal events, and of course the seasons are opposite in Earth’s northern and southern hemispheres.
EarthSky Tonight—Tonight October 20, Moon washes out Orionid meteors, but guides you to Jupiter
The Orionid meteor shower will probably rain down their greatest number of meteors for 2010 before dawn on Thursday, October 21, 2010