The Voyager 1 spacecraft has been operating for 34 years, 9 months and 18 days as of today (June 23, 2012), and now, after that long journey through our solar system, the craft is believed to be poised at the edge of interstellar space. Voyager 1 is reporting a sharp increase in cosmic rays that may herald its final push out of the heliosphere – or sphere of our sun’s influence – into the realm of the stars. The NASA video below explains more.
Deborah Byrd created the EarthSky radio series in 1991 and EarthSky.org in 1994. Today, she serves as Editor-in-Chief of this website. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.