EarthSky News - Feb 7 - Full Braking at Alpha Centauri

February 7 Full Braking at Alpha Centauri by:

Full braking at Alpha Centauri   Space visionaries might have figured out a way to travel within decades to the nearest star system, Alpha Centauri. But, once we get there, how do we slow down? Alpha Centauri system, closest to sun On our sky's dome, we see this 3-star system as a single star - 3rd-brightest star visible from Earth.  Charts, photos and info here about this fascinating star system. Why can't we feel Earth's spin? We can't feel Earth's rotation or spin because we're all moving with it, at the same constant speed. Tonight … Moon inside Winter Circle What we in this hemisphere call the Winter Circle isn't a constellation. It's an asterism, in this case a gigantic one, a very recognizable pattern of stars on the sky's dome.

Less than 100 EarthSky Lunar Calendars left in stock! Best New Year's gift ever! Purchase one before it's too late. Your support means the world to us.

Canopus over Spain's Canary Islands    Every February, Canopus - the sky's 2nd-brightest star - makes its annual brief evening appearance for Northern Hemisphere stargazers. Photo by Project Nightflight.

Tonight … Moon inside Winter Circle Even if you have to wait until the moon moves away, be sure to notice the different colors of these stars! Submit your photo to EarthSky here!

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