Things that can destroy Earth with S
Our Sun's red giant phase could engulf Earth.
A nearby supernova could sterilize Earth.
A nearby star could explode or collide with Earth.
A close star could go supernova and doom Earth.
- Smoke
 - Saturn
 - Stupidity
 - space
 - Space aliens
 - Satellites
 - sun explosion
 - Sin
 - snake
 - Smog
 - super nova
 - Sea
 - Sickness
 - Spaceships
 - Science
 - sandstorm
 - snow
 - Space invaders
 - Sun rays
 - solar radiation
 - Space rocks
 - solar explosion
 - Stars exploding
 - sand storm
 - sadness
 - super volcano
 - Sunlight
 - Star explosion
 - Space debris
 - Solar rays
 - Supervolcano
 - Space ship
 - shooting stars
 - Sulfur
 - sonic boom
 - shooting star
 - Sewage
 - Selfishness
 - Space junk
 - Solar storm
 - Sol
 - Seismic activity
 - Starvation
 - space ships
 - Soldiers
 - Star exploding
 - Space rock
 - sound
 - Soil
 - Sandstorms
 - solar system
 - super man
 - Star wars
 - Snowstorm
 - Smoking
 - Sunshine
 - sun blowing up
 - Starship
 - Sleet
 - Ship
 - Sea levels rising
 - Salmonella
 - SARS
 - sulphur
 - society
 - Shooting
 - Super laser
 - suicide
 - stones
 - slavery
 - Serial killers
 - Scientists
 - supervillains
 - sniper
 - Sins
 - Sea levels
 - scary aliens
 - Sunburst
 - something
 
The words in the list Things that can destroy Earth with S come from players of the word game City, Country, River.