List of largest stars - Wikipedia
Below are lists of the largest stars currently known, ordered by radius and separated into categories by galaxy. The unit of measurement used is the radius of the Sun (approximately 695,700 km; 432,300 mi). [ 1 ]
Sky Tonight: Planets, Stars & Spacecraft Over Your Location
Discover celestial objects visible tonight from your current location. Our guide automatically shows planets, stars, nebulae, and spacecraft flyovers you can see right now. Explore the night sky with up-to-date data specific to where you are!
Night sky, January 2025: What you can see tonight [maps]
2025年1月2日 · Early risers on Tuesday morning, Jan. 21 can see the pretty, waning crescent moon shining in the southeastern sky just below (or celestial east of) the brightest star in the Virgo constellation...
Visible planets and night sky guide for January - EarthSky
2 天之前 · If you’re out stargazing on any January evening, look for these stars and constellations overhead in the sky. First, look for one of the most recognizable constellations in the sky, Orion the...
Sirius - Wikipedia
Sirius is the brightest star in the night sky. Its name is derived from the Greek word Σείριος (Latin script: Seirios), meaning lit. 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa.
What's in the night sky tonight? January 2025 - BBC Sky at Night …
At the start of 2025, the planets are well-placed. Brilliant Venus the brightest 'star' this month, a beacon in the evening sky after sunset. Venus reaches greatest eastern elongation on 10 Jan …
Brightest Objects in the Sky Tonight
The night sky is filled with stunning lights, with some stars and planets shining more brightly than the rest. Tonight, the brightest object visible might be a dazzling planet like Venus or a brilliant star depending on the time and location. These celestial highlights are ranked by their magnitude, helping you identify the most luminous ...
Biggest monster star! And the heaviest stars - EarthSky
2023年6月5日 · There are very heavy stars. And there are gigantic stars. In terms of sheer size, the star UY Scuti is often considered the biggest star known. It’s only about 7 to 10 times the sun’s mass,...
See Sirius, the brightest star in the night sky - EarthSky
2024年2月2日 · Bottom line: Sirius is the brightest star in the night sky as seen from Earth and is visible from both hemispheres. And it lies just 8.6 light-years away in the constellation Canis Major the ...
Night sky for tonight — what to look for in this evening's sky
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.