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Johannes Kepler
- tried to figure out how the planets move.
Galileo
- Very experimental and held lots experiments.
brightness of stars
They defined the position and and had very close to accurate distance down (Hipparchus 150 BC)
Dynamics
describes WHY the motion occurs- Newtons Laws.
Tycho Brahe
- Scientist, knew the king of Poland who gave him an island.
Friction
is a force.
Venus
He (Galileo) observed the phases of , applied laws of motion to astronomy, observed the 4 largest moons of Jupiter, observed sunspots and analyzed them, and observed the rings of Saturn.
entire electromagnetic spectrum
The light collected can range over the .
Aristarchus of Samos
(260 BC) suggested that the earth WAS NOT the center of the solar system due to observers not being able to observe any stellar parallax.
Kinematics
describes HOW the motion changes given an initial set of conditions- kinematic equations.
Telescopes
that focus visible light are called optical telescopes.
Constellations
are patterns in the sky.
Tycho Brahe
Scientist, knew the king of Poland who gave him an island
Johannes Kepler
tried to figure out how the planets move
Galileo
Very experimental and held lots experiments
Celestial Sphere
sphere of stars
Celestial Poles
The extension of the earths axis to where it crosses the celestial
kinematic equations
Dynamics describes WHY the motion occurs
Newtons Laws