Planets
What is the only habitable planet?
Earth
How many stars are in our SOLAR SYSTEM?
One: The Sun
What is a constellation?
A group of stars that form a pattern or shape
Earth
What separates the inner and outer planets?
The asteroid belt
Name the Inner Planets
Mercury, Venus, Earth and Mars
Because of our sun's enormous ___________, Earth and the other planets remain in orbit
Gravity
Constellations appear to move across the night sky from ___________ to ____________.
East to West
Theorized the Geocentric model
Ptolemy
How many planets are in our solar system?
Name them
8
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Name the Outer Planets
Jupiter, Saturn, Uranus, and Neptune
Stars are hot, dense balls of gas that produce their own __________ and ___________.
Heat and light
True or False: You see the same constellations all year long.
Copernicus theorized __________.
Give me the name of the model and what makes it different than the original model.
Heliocentric; The sun was the center of the universe
Why do we not count Pluto as a planet anymore?
It has been declassified to a dwarf planet
Name two characteristics of the Outer Planets
Composed of gas; All have rings; Farther from the sun; Also known as the gas giants
True or False: Stars move in the night sky
False; they appear to move due to the Earth's revolution around the sun.
Constellations change with the ___________, because of Earth's tilt and orbit.
Seasons
Galileo and the telescope
___________ are considered to be a natural satellite
Moons
Name This Planet:
Largest in our solar system and has 79 moons
Jupiter
What can change the appearance of a star's size in the sky?
Brightness and distance
Name one constellation
Answers will vary
Which model was proved in to be correct?
Heliocentric model
Planets __________ around the sun causing seasons.
Revolve