Uploaded June 2023 | Updated September 2026, 2 weeks ago

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Family friendlier: youtu.be/erCJN57t03o

I stream at twitch.tv/carlsagan42 -- follow me if you want to know when I go live!

Check out the SMM2 level viewer: smm2.wizul.us/smm2/maker/D2G-W84-50H

Support me and my science projects: patreon.com/larlslab

My SCIENCE YT CHANNEL: youtube.com/channel/UC5KJaXK5Yn7P-2RX-xk4RpA

My editor Dave uploads hilarious videos: youtube.com/channel/UCR15t1wPwHWCSNrN8WA-Prw

Merch: designbyhumans.com/shop/CarlSagan42

Outro song by TanukiDan: youtube.com/watch?v=mm8Jqcqq0LA

Twitter: twitter.com/Carl_Sagan42

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