Apparent Motions
The star directly above the north and south poles.
What are Polar Stars
The movement of an object in a circular motion around a line of axis.
What is a rotation
The sun accounts for this amount of the mass in the solar system
What is 99%
A collection of billions of stars and various amounts of gas held together by gravity
What is a Galaxy
All the space, matter, and energy that exists in any place
What is the Universe
The idea that Earth was at the center of the Solar System
What is the Geocentric Universe
The current model of the solar system is where the sun is at the center.
What is the Heliocentric Model
The examples of Jovian Planets
What are Jupiter, Saturn, Uranus, Neptune
Large balls of gas held together by gravity that produce energy
What are Stars
The Evidence of the Big Bang
What are Background radiation and the doppler effect
Planets travel on smaller spheres around their own large spheres
What are Epicycles
The amount of time to make a complete rotation
What is the Period of Rotation
The examples of terrestrial planets
What are Mercury, Venus, Earth, Mars
The combining of smaller elements to form the nuclei of larger elements
What is A Nuclear Fusion
A leftover energy created by the explosion found in all small parts of the universe
What is background radiation
The edge of the visible portion of the celestial sphere
What is a Horizon
The tendency of all particles on Earth's surface to be deflected from a straight line
What is the Coriolis Effect
The Earth's moon phases
What are Crescent, Full, New, Gibbous, Waxing, Waning Moon
A measure on how bright a star is compared to our sun
What is Luminosity
The apparent wavelength shifting of electromagnetic energy
What is the Doppler effect
The way in which celestial objects appear
What is an Apparent Motion
The eccentricity of a perfect circle
What is 0
A small fragment that orbits the sun
What is a Meteoroid
Stars orginate from a cloud of this and this
What is dust and gases
Positions of this shift as they study stars and galaxies
What are colored lines.