Voyager 1 embarks on historic journey into interstellar space
September 13, 2013
This artist’s concept depicts NASA’s Voyager 1 spacecraft entering interstellar space (credit: NASA/JPL-Caltech)
NASA‘s Voyager 1 spacecraft is now officially the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion kilometers) from our sun.
New and unexpected data indicate Voyager 1 has been traveling for about one year through plasma, or ionized gas, present in the space between stars. Voyager is in a transitional region immediately outside the solar bubble, where some effects from our sun are still evident./.../
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