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SPACE (CELESTIAL BODIES (Galaxy (Collection of stars, Milky Way, 100…
SPACE
CELESTIAL BODIES
Planets
Orbits a star
Solar system
Star
Sun
Produces energy
Moons
Orbits planets
Nebula
Cloud of gas
Where stars are formed
Galaxy
Collection of stars
Milky Way
100 Billion stars
Universe
100 Billion stars
Asteroids
Rocks in space
Comets
Orbit around a star
Life cycle of Stars
Nebula
Protostar
Main sequence star
Fusion of Hydrogen to Helium
Red Giant
Hydrogen runs out
Fusion of Helium
Carbon and Oxygen
White Dwarf
White hot
Black Dwarf
Cooled
Red Super Giant
Nuclear Fusion of higher elements
Supernova
Blackhole
Very Dense
Singularity
Light can't escape
Accretion Disk
Ejection Jets
Neutron star
Emits pulses of radiation
Pulsar
Very Dense
Space between electron compresses
Spins
Distance in space
Light year
How far light travels in 1 year
9.5x10 000 000 000 000 km
Astronomical Unit
Distance between the Sun & Earth
150 Million km
Parsec
3.26 light years
Structure of Stars
Gas
Predominately Hydrogen
Core
Plasma
Protons and Electrons
Caused by gravity
Allows Nuclear Fusion
Releases energy
EMR
Photons
Gravity holds it together