Sailing Our Way to the Stars: An Interview with Bruce Wiegmann

An artist’s concept showing the Heliopause Electrostatic Rapid Transit System E-Sail with its tethers fully deployed. The HERTS concept is currently undergoing testing at NASA’s Marshall Space Flight Center, as part of the space agency’s NIAC Phase II program. Image Credit: NASA/MSFC

One of the least studied and understood parts of the Solar System […]

Riding on Interstellar Winds: New Solar Outburst Confirms NASA's Voyager 1 Spacecraft Has Exited Heliosphere

Recent measurements of plasma waves at the vicinity of Voyager 1 confirm previous results which showed that the spacecraft has exited the heliosphere and entered interstellar space. Image Credit: NASA/JPL-Caltech

“Sailors on a becalmed sea, we sense the stirring of a breeze.”

— Carl Sagan, “Pale Blue Dot” (1994)

 

In the last […]

Ultimate Pathfinder: NASA's Voyager Spacecraft Enters Interstellar Space

NASA’s Voyager spacecraft has entered interstellar space, marking the first active probe to do so. The announcement was made Sept. 12, 2013. Image Credit: NASA

NASA announced today under much fanfare that the agency’s Voyager 1 spacecraft, which launched from Cape Canaveral Air Force Station over three decades ago, has entered interstellar space, becoming […]