Birth And Death Of The Planet Flashcards
Lucky Breaks
Events that led to the formation and stabilization of the Earth
Goldilocks Zone
Not to hot or cold
What happened when planet sized objects collided w/ earth?
Loss of outer shell
Forming the moon, stabilized the orbit
Late heavy bombardment
Storm of comets pelt earth, carrying water
Last common ancestor
Life-form which all life evolved
Ozone Layer
Protects earth from UV radiation
Magnetic Field
Solar Storms and winds detected
Red Giant
Sun getting hotter
Rogue Planet
Planet wandering in space, ejected from another solar system
Black Hole
Planet could be sucked into a black hole and disappear
Gamma ray burst
Explosions of a star thousands of times bigger than a super nova
Supernova
Massive release of energy by exploding star
Space weather
Could short out all electrical components
Asteroid hitting earth
Must be detected decades in advance
Large Asteroid
6 miles wide
Caused global catastrophe