Voyager 1: At the edge of our 'solar bubble'

Friday, June 28, 2013 - 09:00 in Astronomy & Space

KRISTEN BUTLER, UPI.com Voyager 1 is at the edge of our "solar bubble," the final heliosphere frontier before interstellar space.

Read the whole article on UPI

Get the latest and most popular science news articles of the week in your Inbox! It's free!