Vocabulary / Facts
The name for the four inner planets
What is a terrestrial?
solid rocky and/or metallic body that independently orbits the Sun, commonly found between Jupiter and Mars
What is asteroids?
The number of planets in our Solar System?
What is eight?
When an object spins in place on an axis
What is rotation?
This planet has the Highest Eccentric orbit
What is Mercury?
The name for the four outer planets
What is Jovian?
A rocky body that orbits a planet or asteroid as those objects orbit around the Sun
What is a moon?
The model of the solar system proposed by Ptolemy
What is Geocentric?
When an objects orbits or goes around the Sun.
What is revolution?
These two planets are similar in size
What is Earth and Venus?
The largest dwarf planet in the solar system
What is Ceres?
Known as "Dirty Snowballs"
What are comets?
The name of the model of the Solar System believed and supported by scientists today.
What is Heliocentric?
When a planet appears to move backwards
What is Retrograde Motion?
This planet's year is shorter than a day.
What is Venus?
The force that keeps the planets from flying out of the solar system
What is gravity?
When meteoroids enter the atmosphere and lands on the Earth’s surface
What is a meteorite?
The name of the scientist who went against the Church in the 1600's stating the Sun is in the center of the Solar System and not the Earth.
Galileo Galilei
Give 3 pieces of evidence that support the Earth's Revolution
1. Change of seasons
2. We see different constellations different times of year
3. Change of Sun's diameter (because of our distance from the Sun)
This planet has the second largest equatorial diameter
What is Saturn?
The three criteria to be considered a planet
Orbits the sun
Sufficient mass
3. Cleared its orbit
What is a meteor?
List all the objects found in our solar system
The Sun, Planets, Dwarf Planets, Moons, Comets, Asteroids, Meteors, Satellites, Asteroid belt, Kuiper Belt, Oort cloud
Give 3 pieces of evidence that support Earth’s Rotation
1. Foucault Pendulum
2. Coriolis Effect
3. Apparent motion of the Sun, Stars and Moon
List the planets in order from low to high density.
Saturn, Jupiter/Uranus, Neptune, Mars, Venus, Mercury, Earth