Perhaps the most consequential #SpaceAudio recording of all presents the measurements that verified Voyager 1 had crossed the #heliopause into #InterstellarSpace. https://www.youtube.com/watch?v=CFklHHWbYrk

#QuizOfTheDay:#Heliopause is often considered to be the outer border of the solar system.

What is the first #Spacecraft to travel beyond the solar system and reach interstellar space?

A. Voyager 1
B. Voyager 2
C. Apollo 11
D. Pioneer 11

https://knowledgezone.co.in/resources/quiz?qId=631074a22caa3964ef8d53db