Which planets and moons have life? Guess today, return in 100 years to find out

Started by Legend, Oct 19, 2015, 06:25 AM

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Legend

Winner gets a million spacebucks.

Planets

Mercury: Has microbes
Venus: Has microbes
Mars: Has really really small life
Jupiter: Full on alien world
Satern: really small life

Moons

Jupiter
Ganymede: Has really small life
Callisto: Fish
Io: Has microbes
Europa: Fish

Saturn
Titan: Full biodiversity
Iapetus: Microbes
Enceladus: Fish


Neptune
Triton: Microbes


Here's a clean reference sheet for you to fill out. Only bother with the ones you think had life or have life.
Spoiler for Hidden:
<br><span style="font-size: 1em;" class="bbc_size">Planets</span><br><br><span style="font-size: 1em;" class="bbc_size">Mercury:</span><br><span style="font-size: 1em;" class="bbc_size">Venus:</span><br><span style="font-size: 1em;" class="bbc_size">Mars:</span><br><span style="font-size: 1em;" class="bbc_size">Jupiter:</span><br><span style="font-size: 1em;" class="bbc_size">Saturn:</span><br><span style="font-size: 1em;" class="bbc_size">Uranus:</span><br><span style="font-size: 1em;" class="bbc_size">Neptune:</span><br><span style="font-size: 1em;" class="bbc_size">Pluto:</span><br><br><br><span style="font-size: 1em;" class="bbc_size">Moons</span><br><br><span style="font-size: 1em;" class="bbc_size">Earth moon:</span><br><br><span style="font-size: 1em;" class="bbc_size">Mars</span><br><span style="font-size: 1em;" class="bbc_size">Deimos:</span><br><span style="font-size: 1em;" class="bbc_size">Phobos:</span><br><br><span style="font-size: 1em;" class="bbc_size">Jupiter</span><br><span style="font-size: 1em;" class="bbc_size">Ganymede:</span><br><span style="font-size: 1em;" class="bbc_size">Callisto:</span><br><span style="font-size: 1em;" class="bbc_size">Io:</span><br><span style="font-size: 1em;" class="bbc_size">Europa:</span><br><br><span style="font-size: 1em;" class="bbc_size">Saturn</span><br><span style="font-size: 1em;" class="bbc_size">Titan:</span><br><span style="font-size: 1em;" class="bbc_size">Rhea:</span><br><span style="font-size: 1em;" class="bbc_size">Iapetus:</span><br><span style="font-size: 1em;" class="bbc_size">Dione:</span><br><span style="font-size: 1em;" class="bbc_size">Tethys:</span><br><span style="font-size: 1em;" class="bbc_size">Enceladus:</span><br><span style="font-size: 1em;" class="bbc_size">Mimas:</span><br><br><br><span style="font-size: 1em;" class="bbc_size">Uranus</span><br><span style="font-size: 1em;" class="bbc_size">Titania:</span><br><span style="font-size: 1em;" class="bbc_size">Oberon:</span><br><span style="font-size: 1em;" class="bbc_size">Umbriel:</span><br><span style="font-size: 1em;" class="bbc_size">Ariel:</span><br><span style="font-size: 1em;" class="bbc_size">Miranda:</span><br><br><span style="font-size: 1em;" class="bbc_size">Neptune</span><br><span style="font-size: 1em;" class="bbc_size">Triton:</span><br><br><span style="font-size: 1em;" class="bbc_size">Pluto</span><br><span style="font-size: 1em;" class="bbc_size">Charon:</span><br><br><br><span style="font-size: 1em;" class="bbc_size">Dwarf Planets</span><br><span style="font-size: 1em;" class="bbc_size">Ceres:</span><br>



I'm a pretty firm believer that either life is extremely rare and even carbon copies of Earth lack it, or it's practically everywhere. We used to think water was pretty special for Earth, but nope. It's super common. Most planets and moons have a significant amount of it in one form or another. Plus alien life could have evolved differently, or it could be exactly like us. Standard Earth microbes can live in a lot of places within the solar system. Heck there's life right now on Mars since it hitchhikes on rovers. (costs too much to 100% sterilize them)