National Geographic
Menu

Tag archives for heliosphere

Voyager 1 Reaches Gateway to the Galaxy

  Despite traveling 36 years and 11 billion miles (18 billion kilometers) from home, the intrepid Voyager 1 spacecraft still has not left the solar neighborhood. But all indications are that it is now crossing a major threshold to the rest of the galaxy. (Related: “Voyager at the Edge: Cosmic Roadtrip Hits Milestone.” ) New…

Scientists Begin to Unravel Gigantic Space Ribbon

    In 2009 astronomers using NASA’s Interstellar Boundary Explorer (IBEX) spacecraft accidentally came across a giant ribbon-like formation snaking its way across the boundary between our solar system and interstellar space. Ever since, its true nature has remained a riddle astronomers have been unable to solve. But now, they believe they are a step…

Voyager 1 News: Probe Now Crossing Where a Mighty Wind Ceases to Blow

Technically, everything within our solar system could be said to exist in the sun‘s atmosphere. In most cases we call the corona the sun’s upper atmosphere, because that’s the part we see as the faint, outermost halo stretching from the bright orb, usually visible from Earth only during a solar eclipse. (See eclipse pictures from…

Voyager 2 Speaking in Code

NASA may have to bust out an Enigma Machine to figure out what’s going on with the Voyager 2 probe, the second most distant human-made object in space. Yesterday mission managers at the Jet Propulsion Laboratory in Pasadena announced that the craft recently started sending back science data in a format no one on Earth…