221,356 subscribers and counting ...
Fomalhaut is sometimes called the Loneliest Star. Its planet, Fomalhaut b, was the first planet beyond our solar system to be visible to the human eye.
Delta Cephei doubles in brightness every 5.36 days. This star and others like it have helped establish the known scale of our galaxy and universe.
Cepheus the King is not a very conspicuous constellation and has only one relatively bright star, Alderamin – aka Alpha Cephei. This star rotates rapidly!
61 Cygni isn’t bright. But it moves exceptionally rapidly against the background of more distant stars. Its motion reveals its nearness to Earth.
Deneb is one of the most distant stars you will see with your eye alone. That’s because it’s one of the most luminous stars in the Milky Way galaxy.
Altair needs only 10 hours to spin once on its axis, in contrast to roughly a month for our sun. This mighty star spins on its axis more rapidly than Earth! How to see it.
Albireo is known best for the striking color contrast between its two stars, with the brighter star gold and the dimmer star blue.
Binoculars reveal Epsilon Lyrae as a double star – two stars in one. A telescope shows that each component star is also a double. The double double star!
One of the prettiest stories in all skylore surrounds this star. “On the 7th night of the 7th moon … “
These two famous stars shine down from the northern sky. Eltanin and Rastaban represent the fiery Eyes of the constellation Draco the Dragon.
Bright reddish Antares is easy to spot on a summer night. It is the brightest star in the fishhook-shaped constellation Scorpius the Scorpion.
Alphecca. Gemma. Alpha Coronae Borealis or simply Alpha Cor Bor. They’re all names for one star – the brightest star in the constellation Northern Crown.
Two noticeable stars in the Little Dipper are said to guard the north celestial pole because they circle so close to Polaris.
Although some scientists claim stars can’t look green, many stargazers will swear that Zubeneschamali proves otherwise.
It’s now Libra’s alpha star. But Zubenelgenubi is an Arabic name indicating that this star was once perceived as the Southern Claw of Scorpius the Scorpion.
The entire northern sky wheels around Polaris. Some assume it’s the brightest star in the sky. In fact, Polaris ranks only 50th in brightness.
Third star in the system, a red dwarf called Proxima Centauri, is our sun’s closest neighbor at about 4.22 light-years.
Arcturus is cutting perpendicularly through the galactic disk at a tremendous rate of speed – some 150 kilometers per second.
Thuban was the Pole Star some 5,000 years ago, when the Egyptians were building the pyramids.
Hadar, aka Beta Centauri, joins Alpha Centauri in pointing to the Southern Cross. It’s a triple system. Two of its stars will someday become nearby supernovae.
Meteor over Hidden Lake, Montana