Voyager spacecraft still buffeted by sun

From Washington, D.C., at the American Geophysical Union meeting

Even though the two Voyager probes launched in 1977 passed the outermost planets in our solar system more than a decade ago, their sensors show that they haven’t yet outrun the influence of the sun.

Instruments on each spacecraft have detected several sudden surges in the solar wind since January 2001, says Robert B.