Planets
What are the Terrestrial planets
The inner planets
Mercury, Venus, Earth, Mars
A ball of ice, dust and rock that melts as it comes closer to the sun (forming a tail)
Comet
The curved path or revolution a celestial body or spacecraft takes around a planet or star
Orbit
Mars and Jupiter
What are the Jovian Planets
Jupiter, Saturn, Uranus, Neptune
A meteoroid (rock) that reaches Earth's surface
Meteorite
What is a hot ball of gas that emits light and energy through nuclear fusion
Star
What is in the center of our solar system?
The sun
Name 3 characteristics of the outer planets
No solid core Colder
Gas/ice giants Many moons
Have rings Farther from the sun
A space rock that is smaller than an Asteroid
Meteoroid
Moon
Which model of our solar system has the sun in the center? Heliocentric or Geocentric
Heliocentric
Name 3 characteristics of the inner planets
Closer to the sun warmer
Rocky/solid no rings
smaller
few or no moons
A large rock that orbits the sun.
Asteroid
What two factors effect gravity
mass and distance
Which model of our solar system has the earth in the center? Heliocentric or Geocentric
Geocentric
Name the planets in order
Mercury, Venus, Earth Mars, Jupiter, Saturn, Uranus, Neptune
A Meteoroid (rock) that burns up in earth's atmosphere, also known as a shooting star
Meteor
Which pair of objects has the greatest force of gravity
C