But some projects are designing ways to propel payloads to the nearest star system (Alpha Centauri) using beams of electrons. A new proposal uses an electron beam fired from a stable platform near ...

But could humans or spacecraft ever reach Alpha Centauri, the closest star system to our planet? Alpha Centauri is about 4.4 ...

NASA images by Hubble space telescope This NASA image of Dumbbell Nebula is enough to leave you ... and the blue is from oxygen. Omega Centauri is the largest and brightest globular cluster ...