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Transcript of Space Review
Luminous vs. Non-Luminous
Requirements to be a planet
Types of Celestial Bodies
Motions of Celestial Bodies
Solstice vs. Equinox
Big Bang Theory
Who first said the Universe in expanding?
Events of the Big Bang
Evidence of the Big Bang
Relationships between size, luminosity, colour
Apparent vs. Absolute magnitude
Life cycle of stars
How do stars get energy
Why are the constellations moving?
Order of the planets
Rocky Planets vs Gas Giants
What separates the Rocky Planets from the Gas Giants?
Enough mass to form a sphere
It's own orbit
Dominate it's own orbit
Meteors, meteorites, meteoroids
The further away the planet is from the sun, the larger the orbital radius.
Mass and size both affect a planet's gravity.
Solstice: One in winter (longest night) and one in summer (longest day).
Equinox: Day and night are equal.
The whole Universe was in a hot dense state . . .
The Universe is moving apart
Blue stars are large, hot, and bright.
Red stars are small, cooler, and less bright
Absolute magnitude: How bright a star actually is
Apparent magnitude: How bright a star appears to be.
100 billion years
10 billion years
Less then 7 billion years
Neutron Star OR Black Hole
Location of the core, radiative zone, convection zone, photoshpere, chromoshphere.
Hottest part of the sun?
What galaxy do we live in?
What galaxy is closest to us?
Recognize galaxy shapes.
Natural Satellites vs. Artificial Satellites
Three types of orbits
CELEBRATE! YOU'RE DONE :)