As Voyager 1 nears edge of solar system, scientists look back
Tuesday, December 13, 2011 - 16:01
in Astronomy & Space
(PhysOrg.com) -- In 1977, Jimmy Carter was sworn in as president, Elvis died, Virginia park ranger Roy Sullivan was hit by lightning a record seventh time, and two NASA space probes destined to turn planetary science on its head launched from Cape Canaveral, Fla.