资讯

Some of the brightest stars in the night sky, such as Sirius and Vega, are A-type stars. University of California, Berkeley, astronomers now report a new, Neptune-sized planet -- called HD 56414 b ...
The multitude of stars that join our planets in populating an evening sky are fairly anonymous. The brightest star, and the nearest to earth are hardly household names the same way Orion's belt is.
Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all. Since 1986 I have had an affiliation with the Hayden Planetarium in New ...
Early-rising and late-night stargazers in the Northern Hemisphere have a great opportunity right now to see Sirius, Earth’s brightest nighttime star. Sirius can be seen shining high in the sky ...
BlueWalker 3 has a magnitude of just +0.4, meaning if it were a star, it would be one of the ten brightest in the sky. To put the figure into context, the North Star reaches a magnitude of +2.
Betelgeuse, the most famous red supergiant star and one of the sky's brightest, will disappear for up to 12 seconds during an ultra-rare occultation by asteroid 319 Leona. When you purchase ...
The brightest star in the sky is, of course, the Sun, the closest to us (150 million kilometers, or 8 light-minutes away) and the one around which the Earth orbits.
Betelgeuse, one of the brightest stars in the sky, may have a secret sunlike companion that drives the star’s mysterious six-year-long "heartbeat," new research suggests. When you purchase ...
But while researching the Pleiades a few months back, I was surprised to learn that it wasn’t the brightest star cluster. And there were other surprises when I started comparing overall ...
One starting point is to learn to find the brightest ones. In a rural sky dense with stars, the brightest serve as helpful signposts to orient yourself. And even just outside of cities ...