Alpha centauri

Welcome to Alpha Centauri. You'll find a lot of astronomy and nature, along with science of almost any kind and whatever else makes me smile. No promises. Enjoy!

Our closest stellar neighbors are the 3 stars that make up the Alpha Centauri system. They lie just over 4 light-years - about 25 trillion miles or 38 trillion km - away.

Buy this Minimalist Alpha Centauri Star Art by Eanna Art on Redbubble. Available on posters, stickers, mugs, and more. Perfect for the classroom or for a stargazer's happy place!

Welcome to Alpha Centauri. You'll find a lot of astronomy and nature, along with science of almost any kind and whatever else makes me smile. No promises. Enjoy!

Alpha Centauri is a triple star system located roughly 4.3 light-years from Earth. It’s the closest star system to the Sun and consists of three stars – Alpha Centauri A, Alpha Centauri B, and Proxima Centauri. Both Alpha Centauri A and B are Sun-like stars (class G and K respectively) while Proxima Centauri is a relatively dim red dwarf star. To the naked eye, these stars appear as one, shining bright in the night sky. Only two exoplanets have been discovered in this enthralling star…

Alpha Centauri °•○ Alpha Centauri (α Centauri, α Cen, or Alpha Cen) is a triple star system in the southern constellation of Centaurus. It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima Centauri (α Centauri C).Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc). α Centauri A and B are Sun-like stars (class G and K, respectively) that together form the binary star system α Centauri AB. To the naked eye, these two…

Sirius, also known as the Dog Star, α Canis Majoris (Alpha Canis Majoris), or Canicula, is the brightest star in the night sky. It lies at a distance of 8.60 light years (2.64 parsecs) from Earth, in the constellation Canis Major, the Greater Dog.

This infrared image from NASA's Wide-field Infrared Survey Explorer shows the Lambda Centauri nebula, a star-forming cloud in our Milky Way galaxy, also known as the Running Chicken nebula.

Dear friends, Today’s post introduces star family of the Alpha Centauri system (part of the constellation Centaurus, including the stars Alpha Centauri, Beta Centauri, and Proxima Centauri). …

50 years ago, Star Trek brought the dream of a utopian, interstellar future to humanity. Today, the biggest technological leap might be on its way to reality.