Alpha Centauri
-
NASA
Helio Highlights: October 2025
The Sun and Our Lives On a clear night, you might see thousands of stars in the sky. Most of these stars are dozens or hundreds of light years away from us. A light year is the distance a beam of light travels in a year: about 5.88 trillion miles (9.46 trillion kilometers). This means that for those stars we see at…
Read More » -
NASA
NASA’s Webb Observes Immense Stellar Jet on Outskirts of Our Milky Way
A blowtorch of seething gasses erupting from a volcanically growing monster star has been captured by NASA’s James Webb Space Telescope. Stretching across 8 light-years, the length of the stellar eruption is approximately twice the distance between our Sun and the next nearest stars, the Alpha Centauri system. The size and strength of this particular stellar jet, located in a…
Read More » -
NASA
NASA’s Webb Finds New Evidence for Planet Around Closest Solar Twin
Astronomers using NASA’s James Webb Space Telescope have found strong evidence of a giant planet orbiting a star in the stellar system closest to our own Sun. At just 4 light-years away from Earth, the Alpha Centauri triple star system has long been a compelling target in the search for worlds beyond our solar system. Alpha Centauri, located in the far southern…
Read More » -
NASA
Discovery Alert: Four Little Planets, One Big Step
The Discovery Four rocky planets much smaller than Earth orbit Barnard’s Star, the next closest to ours after the three-star Alpha Centauri system. Barnard’s is the nearest single star. Key Facts Barnard’s Star, six light-years away, is notorious among astronomers for a history of false planet detections. But with the help of high-precision technology, the latest discovery — a family…
Read More »