Universe Today Podcast

807: True Shape of the Universe, Asteroid Mining, Alien Astronomers | Q&A 180

April 19th, 2022  •  38 mins 43 secs  •  Download (35.5 MB)  •  Link with Timestamp

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In this week's live Questions and Answers show, I provide the exact number of alien worlds that could detect the Earth, are we made of heavier elements made in other galaxies, will lasers remain perfectly parallel in space? And more...