2017年09月02日:银河航行者-(Milky Way Voyager)--原图下载
Poster Illustration Credit: NASA, JPL-Caltech, Voyager
说明: 在1977年发射进行外太阳系探索之旅的航行者1号及2号,是源自地球、寿命最长和航程最远的太空船。离太阳将近16光时远的航行者2号,已经航行到太阳圈(指太阳风及磁场影响的範围)之边缘。而人类送往银河系的第一位使者──航行者1号,距离则超过19光时远,位在太阳圈外头的星际空间里。美国航太总署将在9月5日庆祝航行者航向恒星的四十周年庆。
原文:
Poster Illustration Credit: NASA, JPL-Caltech, Voyager
Explanation: Launched in 1977on a tour of the outer planets of the Solar System,Voyager 1 and 2 have become the longest operating and most distantspacecraftfrom Earth.Nearly 16 light-hours from the Sun, Voyager 2 has reached the edge ofthe heliosphere, the realm defined by the influence of the solar windand the Sun's magnetic field.Now humanity's firstambassador to the Milky Way, Voyager 1 isover 19 light-hours away, beyond the heliosphere ininterstellar space.Celebrate the Voyagers' 40 year journey toward the stars withNASA on September 5.
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