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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Milky Way Voyager
Explanation: Launched in 1977 on a tour of the outer planets of the Solar System, Voyager 1 and 2 have become the longest operating and most distant spacecraft from Earth . Nearly 16 light-hours from the Sun, Voyager 2 has reached the edge of the heliosphere, the realm defined by the influence of the solar wind and the Sun's magnetic field. Now humanity's first ambassador to the Milky Way , Voyager 1 is over 19 light-hours away, beyond the heliosphere in interstellar space . Celebrate the Voyagers' 40 year journey toward the stars with NASA on September 5.
Poster: Downloads
| Date | September 2, 2017 |
|---|---|
| Credit | Poster Illustration Credit: NASA, JPL-Caltech, Voyager |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |