Couldn't find element LayerAd

Error finding content

Star Statistics - Windows to the Universe

Shop Windows to the Universe

Learn about planets outside our solar system through Exoplanets and Alien Solar Systems by Tahir Yaqoob, Ph.D., a book in our online store book collection.

Star Statistics

Note: (var) means that the star varies in brightness.
Apparent magnitude: brightness, as seen from Earth; the lower the magnitude, the brighter the star.
The Brightest Stars in the Sky

Name Constellation to which star belongs Apparent Magnitude
Sirius Canis Major -1.46
Canopus Carina -0.72
Rigil Kent (Alpha Centauri) Centaurus -0.27
Arcturus Bootes -0.04
Vega Lyra +0.03
Capella Auriga +0.08
Rigel Orion +0.12
Procyon Canis Minor +0.38
Achernar Eridanus +0.46
Betelgeuse Orion +0.50 (var)

Note: Proxima Centauri is part of the Alpha Centauri system.
Apparent magnitude: brightness, as seen from Earth; the lower the magnitude, the brighter the star.
The Nearest Stars

Star Distance (light-years) Apparent Magnitude
Proxima Centauri 4.2 +11.0
Alpha Centauri 4.3 -0.3
Barnard's Star 6.0 +9.5
Wolf 359 7.7 +13.5
Lalande 21185 8.2 +7.5
UV Ceti 8.4 +12.5
Sirius 8.6 -1.46
Ross 154 9.4 +10.5
Ross 248 10.4 +12.3
Epsilon Eridani 10.8 +3.7
Ross 128 10.9 +11.1

Shop Windows to the Universe Science Store!

The Fall 2009 issue of The Earth Scientist, which includes articles on student research into building design for earthquakes and a classroom lab on the composition of the Earth’s ancient atmosphere, is available in our online store.

Windows to the Universe Community

News

Opportunities

You might also be interested in:

Traveling Nitrogen Classroom Activity Kit

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Magnitude - a measure of brightness

Astronomers use the term "magnitude" to describe the brightness of an object. The magnitude scale for stars was invented by the ancient Greeks, possibly by Hipparchus around 150 B.C. The Greeks grouped...more

Gamma Ray Bursts - The Most Powerful Objects in the Universe?

In the 1960's, the United States launched a series of satellites to look for very high energy photons, called Gamma Rays, that are produced whenever a nuclear bomb explodes. These satellites soon detected...more

Galaxies

The introduction of telescopes to the study of astronomy opened up the universe, but it took some time for astronomers to realize how vast the universe could be. Telescopes revealed that our night sky...more

Neutron Stars

Neutron Stars are the end point of a massive star's life. When a really massive star runs out of nuclear fuel in its core the core begins to collapse under gravity. When the core collapses the entire star...more

Spiral Galaxies

Spiral galaxies may remind you of pinwheels turning slowly as though in some intergalactic breeze. They are rotating disks of gas, dust and stars. Through a telescope or binoculars, the bright nucleus...more

White Dwarfs

White Dwarfs are the remnants of stars that were massive enough to stay alive using nuclear fusion in their cores, but not massive enough to blow apart in a Type II supernova. When stars like our own sun...more

Algol

What's in a Name: Arabic for "head of the demon" Claim to Fame: Represents Medusa's eye in Perseus. A special variable star that "winks" every 3 days. Type of Star: Blue-white Main Sequence Star, and...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF