The ruby Heart of Scorpius is the 16th brightest star in our sky and one of the most gigantic stars known.
Posts by Larry Sessions
World timekeepers will add one extra second on June 30, 2015. Meanwhile, a proposal to dump the leap second has been deferred until October.
Most of us think only of viewing planets at night, but sometimes you can catch them in broad daylight! The next great chance to do that is Saturday, June 20.
Here’s a collection of 10 unexpected, intriguing facts about the stars of our universe – including our sun – that you probably didn’t know!
Two noticeable stars in the Little Dipper are said to guard the north celestial pole because they circle so close to Polaris.
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.
Tonight’s moon is approaching the stars Castor and Pollux in the constellation Gemini the Twins. These stars represent twins in many cultures.
Spica is a binary star, with two stars larger and hotter than the sun, telescopically indistinguishable from a single point of light.
A collection of 10 unexpected and intriguing facts about our solar system – our sun and its family of planets – you probably did not know!