2018年12月10日 星期一

NASA’s Voyager 2 Probe Enters Interstellar Space

For the second time in history, a human-made object has reached the space between the stars. NASA’s Voyager 2 probe now has exited the heliosphere – the protective bubble of particles and magnetic fields created by the Sun.

December 10, 2018
from NASA https://ift.tt/2L6qgpC
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