Astronomy Picture of Day: Voyagers' Message# Astronomy - 天文
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The Voyagers' Message in a Bottle
Credit: Voyager Project, JPL, NASA
Explanation: Launched twenty-five years ago, NASA's Voyager 1 and 2 spacecraft are now
over 10 billion kilometers from the Sun. Still operational, the Voyagers are being tracked
and commanded through the Deep Space Network. Having traveled beyond the outer
planets, these remarkable spacecraft are only the third and fourth human built artifacts to
escape our solar system, following in the footsteps of Pioneer
Credit: Voyager Project, JPL, NASA
Explanation: Launched twenty-five years ago, NASA's Voyager 1 and 2 spacecraft are now
over 10 billion kilometers from the Sun. Still operational, the Voyagers are being tracked
and commanded through the Deep Space Network. Having traveled beyond the outer
planets, these remarkable spacecraft are only the third and fourth human built artifacts to
escape our solar system, following in the footsteps of Pioneer