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.

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). …

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!

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.

Image Archive

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.

Near the Center of the Lagoon Nebula

May 5 is Space Day, and with the film “Guardians of the Galaxy Vol. 2” opening, we look at some real star power in our daily lives, the Milky Way and the Jet Propulsion Laboratory.