TERRAFORM — bomb, shade or warm a planet and watch what happens

Drop one bomb ▾

yield

Click anywhere on the planet to detonate there. It works out what you hit — polar ice, ocean, water ice or rock — and what one device really does to it. Drag to turn the globe, scroll to zoom.

Nuclear campaign ▾

detonations

yield per device

devices per year

campaign length

energy coupled to the target

fission fraction

target

Mirrors & sunshades ▾

in orbit

sunlight

Greenhouse factories ▾

PFC production

output

Comets & asteroids ▾

redirect bodies

what you move

where it starts

body diameter

impacts per year

nuclear nudge to retarget it

momentum coupled to the comet

a second stream

what you move

where it starts

body diameter

impacts per year

Other levers ▾

darken the surface

calcine carbonates

plant output

Most carbon on a rocky world is chemically bound in rock. Getting it out means mining and heating that rock to about 900 K — the single most energy-hungry option here.

Surface pressure

Surface temperature

Where the volatiles are

What it would take

Log