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Published: May 10, 2021, 6 p.m.

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In this week\'s questions show, I explain why we\'d be able to recognize aliens, even if they were vastly more technologically advanced than us. Why I don\'t do any promotional ads on my videos, and if we have any examples of energy turning into matter.

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00:00 Start
\\n01:09 Can we actually recognize aliens?
\\n04:18 Why don\'t I have sponsors?
\\n06:33 Could we detect light pollution?
\\n08:36 Can energy turn into matter?
\\n10:18 How do we measure the age of the solar system?
\\n12:52 What other prototypes will we need for Mars?
\\n16:26 Can we extend the life of the Sun?
\\n21:10 Is it time to map Mars?
\\n23:43 Are there ultraviolet telescopes?
\\n25:43 What would Starship be used for?
\\n28:01 Can we match velocity with other stars?
\\n29:50 Do we know the rate of the Universe\'s expansion?

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Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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\\U0001f680 OUR WEBSITE:
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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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\\nEmail: frasercain@gmail.com

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