Sirius is bright enough to dominate the night sky after sunset particularly if there are no planets around. It’s very bright because: Sirius is a big blue-white star 25 times the mass of our Sun.

The brightest star in the night sky, Sirius, is easily visible in January if you know when and where to look! The star Sirius is an interesting object and one that is relatively close to our planet.

First find Sirius, whose name means “glowing” in Greek — it’s the brightest star in the night sky. If this star were placed next to our sun, Sirius would outshine it more than 20 times ...

The brightest star in the night sky shows off this spring: How to see a scintillating Sirius. Joe Rao. Fri, April 25, 2025 at 3:00 PM UTC. 6 min read.

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the +0.6-magnitude planet is low in the west-northwest and sets during twilight about 1.5 ...

Triangle is a formation of stellar bodies called an asterism, made up of the bright stars Vega, Deneb and Altair.

The darkness of the night sky is actually measured as the brightness of the night sky — the brighter the sky, the fewer stars you can see at night. During the day the sun’s bright light ...

One of the biggest and brightest stars in the night sky will momentarily vanish as an asteroid passes in front of it to produce a one-of-a-kind eclipse. The rare and fleeting spectacle, late ...

For some reason most people think the North Star—called Polaris—is the brightest star in the night sky, probably because it’s one of the few that they can easily name.