Eight worlds, one rule: no spacesuit. We rank Titan, Mars, the Moon, Mercury, Europa, Jupiter, Venus and the Sun from the slowest killer to the fastest, using NASA's own numbers, then cover what scientists still don't know.
Chapters:
0:00 Cold open
0:17 The baseline: what vacuum does
0:48 #8 Titan
1:49 #7 Mars
2:34 #6 The Moon
3:06 #5 Mercury
3:48 #4 Europa
4:23 #3 Jupiter
4:55 #2 Venus
5:32 #1 The Sun
6:00 How we know: the robots that went first
7:23 What scientists still don't know
8:05 Final ranking
Facts: NASA Science, NASA Goddard, NASA Glenn and NASA Astrobiology (links below). Footage: NASA / US-government public-domain media.
AI-voiced host (Nib).
Sources:
- NASA Goddard, Imagine the Universe: How long can a human live unprotected in space?: https://imagine.gsfc.nasa.gov/ask_astro/space_travel.html
- NASA Science: Titan facts: https://science.nasa.gov/saturn/moons/titan/facts/
- NASA Astrobiology: NASA announces astrobiology mission to Titan (surface pressure, temperature): https://astrobiology.nasa.gov/news/nasa-announces-astrobiology-mission-to-titan/
- NASA Science: Dragonfly mission: https://science.nasa.gov/mission/dragonfly/
- NASA Science: Mars facts: https://science.nasa.gov/mars/facts/
- NASA Glenn Research Center: Mars atmosphere model: https://www.grc.nasa.gov/www/k-12/airplane/atmosmrm.html
- NASA Science: Moon facts: https://science.nasa.gov/moon/facts/
- NASA Science: Who has walked on the Moon?: https://science.nasa.gov/moon/moon-walkers/
- NASA Science: Mercury facts: https://science.nasa.gov/mercury/facts/
- NASA Science: Europa facts: https://science.nasa.gov/jupiter/jupiter-moons/europa/europa-facts/
- NASA Science: Europa Clipper: https://science.nasa.gov/mission/europa-clipper/
- NASA Science: Jupiter facts: https://science.nasa.gov/jupiter/jupiter-facts/
- NASA Science: Venus facts: https://science.nasa.gov/venus/venus-facts/
- NASA Science: DAVINCI mission: https://science.nasa.gov/mission/davinci/
- NASA Science: Sun facts: https://science.nasa.gov/sun/facts/
Footage: NASA / US-government public-domain media (NASA Image and Video Library; NASA SVS and JPL clips via Wikimedia Commons). Footage (public domain, NASA media):
- April 2017 Solar Flare Trio (NASA Image and Video Library, GSFC): https://images.nasa.gov/details/GSFC_20170403_Trio_m12563_SolarFlares
- File:Goddard Helicopter Simulation of Venus Descent Imaging for Science.webm (Wikimedia Commons): https://commons.wikimedia.org/wiki/File:Goddard_Helicopter_Simulation_of_Venus_Descent_Imaging_for_Science.webm
- File:A Pathway to Protocells on Titan – Animations (SVS20411 - TitanProtoCell Rain).webm (Wikimedia Commons): https://commons.wikimedia.org/wiki/File:A_Pathway_to_Protocells_on_Titan_%E2%80%93_Animations_(SVS20411_-_TitanProtoCell_Rain).webm
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Full sources and footage credits also on YouTube: https://www.youtube.com/watch?v=5wV9SDc-mzI
