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Posts Tagged "heliopause"

Life, Unbounded

Astrobiology Roundup

mosaic.001

                      Lots of new scientific results in the past couple of weeks feed directly into the central questions of astrobiology – from the search for life, to the environment of interplanetary and interstellar space, and the grand cosmological terrain we find ourselves in. No Methane [...]

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Life, Unbounded

Voyager’s Exit To The Stars…In 17,000 Years

eso1316a

Recent debates over whether or not the Voyager 1 spacecraft has ‘left the solar system’ typically leave out some critical details. The limits of the Sun’s particle radiation is not the physical edge of the contents of the solar system, but it is the point of changeover to the exceedingly tenuous atmosphere of matter and [...]

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Observations

Voyager 1 Returns Surprising Data about an Unexplored Region of Deep Space

Voyager 1

About the Voyager 1 spacecraft, this much is clear: the NASA probe has traveled farther than any other. Voyager 1 is now more than 18.5 billion kilometers from the sun—almost 125 times the distance between Earth and the sun. The spacecraft, one of two Voyagers launched by NASA in 1977, is truly in unexplored territory—so [...]

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Observations

Voyager 1′s Whereabouts: No News, but Plenty of Noise

Voyager 1 and the solar system

Tracking the location of the Voyager 1 spacecraft can be exhausting for a science journalist, and I can only imagine how confusing it gets for the interested reader. The relevant question pertaining to Voyager 1’s location is this: Has the venerable NASA spacecraft exited the heliosphere, the sun’s plasma cocoon in space, and crossed into [...]

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Observations

NASA’s Voyager 1 Spacecraft May Not Be Near Edge of Solar System after All [Updated]

Voyager 1 and Voyager 2 in relation to the solar system

It’s been a long, strange trip out of the solar system for NASA’s Voyager 1 spacecraft, and it may be a bit longer still. Voyager 1, which launched 35 years ago today, has ventured farther from Earth than any other spacecraft in history. Voyager 1 is now 18.2 billion kilometers from Earth—so distant that it [...]

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