8 planets orbit the Sun. Which ones can you survive in?
465°C
Hottest recorded planet temperature, on Venus. Hot enough to melt lead.
-214°C
Coldest planet in our neighborhood, on Neptune, the icy edge of the solar system.
1 of 8
Planets that can keep a human alive without a spacesuit. That's Earth.
Awaiting Input
Tap any planet
Select a body on the orbital track to pull its
scan data.
Full Spacesuit
Loadout Check
Choose Your Gear
Whatever you pick, you'll use it for each planet.
Survival Scan
Could You Survive Mercury?
Mercury has almost no atmosphere, so nothing traps heat or blocks the cold.
FATAL
Gear Status: Failed
...
Mission Debrief
Every planet we scanned is a death trap. Earth sits in the "Goldilocks Zone," not too hot, not too cold,
with the exact air pressure and oxygen humans need. Out of 8 planets, exactly 1 works for us, no gear
required.
Log Entry 1 of 5
Why is Venus hotter than Mercury, even though Mercury is closer to
the Sun?
Certified Solar System Cadet
You mapped every planet's hazards and know why Earth is the only safe stop in the neighborhood.