By Date
bunker
abacaxicomuva 2 comments
Outer solar system
abacaxicomuva 4 comments
Supergiant
abacaxicomuva 1 comments
Star Lifespan
abacaxicomuva 8 comments
Kuiper Belt Orbits
abacaxicomuva 0 comments
Solar System orbits
abacaxicomuva 2 comments
day/night cycle
abacaxicomuva 0 comments
HD189733B
abacaxicomuva 0 comments
Earth (but small)
abacaxicomuva 2 comments
Planet 9
abacaxicomuva 0 comments
Theia
abacaxicomuva 0 comments
Sun
abacaxicomuva 2 comments