At the edge of the solar system, there are no signs that proclaim, “You are now entering interstellar space.” Related Where’s Voyager 1? That Depends. (March 21, 2013) Connect With Us on Social Media @nytimesscience on Twitter. Science Reporters and Editors on Twitter Like the science desk on Facebook. NASA’s Voyager 1 spacecraft, launched more than 35 years ago and now 11.5 billion miles from where it started, is closing in on this boundary. In recent years scientists have been waiting eagerly for it to become the first artificial object to leave the solar system and enter the wider reaches of the Milky Way, which they fully expect it to do. But there has been at least one false alarm. On...
↧