Next time you spy the Big Dipper, keep in mind that there is another star, invisible to the unaided eye, contributing to this constellation. According to a new paper published in The Astrophysical ...
One of the stars that makes the bend in the ladle's handle, Alcor, has a smaller red dwarf companion, new observations have revealed. Alcor is a relatively young star twice the mass of the Sun. Stars ...
Astronomy on MSN
The sky today on Friday, July 10: Meet Mizar and Alcor
Looking for a sky event this week? Check out our full Sky This Week column. July 9: Venus stands above Regulus Look north ...
Alcor, a star in the middle of the Big Dipper's handle, has a newly found red dwarf companion (circled in green). Project 1640 astronomers discovered the faint star by blocking out almost all of Alcor ...
In ancient times, people with exceptional vision discovered that one of the brightest stars in the Big Dipper was, in fact, two stars so close together that most people cannot distinguish them. The ...
New observations of Alcor, one of the stars that makes the constellation known as the Big Dipper's, have uncovered a smaller companion star named Alcor B. Project 1640 was able to show that the two ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results