Asteroids, Comets, Meteoroids, Meteors, and Meteorites
Large and small rocks or metallic masses orbiting the sun in a region between Mars and Jupiter.
Asteroids
The inner planets are also called ______________ planets.
Terrestrial
The Earth does this on its axis; it takes 24 hours.
rotates
The planet with the most gravity is ____________.
Jupiter
Is our solar system Geocentric or Heliocentric?
Heliocentric (sun-centered)
A small meteoroid that burns upon entering Earth's atmosphere; also called a shooting star.
meteor
The outer planets are also called _____________ planets (not gas giants).
Jovian
The Earth does this around the sun; it takes 365.25 days.
revolve
A greater mass equals ________________ gravitational pull.
a greater
order from largest to smallest
a. Galaxy
b. Universe
c. Solar System
b. Universe
a. Galaxy
c. Solar System
A natural chunk of rock or dust existing outside of Earth's atmosphere.
meteoroid
Name the 4 Terrestrial planets.
Mercury, Venus, Earth, and Mars
The moon does this around the Earth.
revolve
A greater distance equals _____________ gravitational pull.
a weaker
The sun is located where in our solar system?
In the center
The remains of meteoroids that strike the surface of the Earth or the moon.
meteorites
Name the 4 Jovian planets.
Jupiter, Saturn, Uranus, and Neptune
It takes the sun about 27 days to do this on its axis.
rotate
Other than gravity, what else is needed to keep the planets in orbit around the Sun?
inertia
A region beyond Neptune containing comets and multiple dwarf planets is called what?
Kuiper Belt
A celestial body of ice, dust, and rock with an elongated and elliptical orbit.
comet
Name the main difference in the surfaces of the Terrestrial planets vs the Jovian planets.
Terrestrial planets have rocky surfaces and Jovian planets are gas
The moon does this on its axis. It takes the same amount of time to do this as it takes to revolve around the Earth, which is why we only see one side of the moon.
rotates
Gravity is affected by what 2 things?
mass and distance
_____A_____ are based around a single star.
____B____ are made of millions-trillions of stars, planets, dust, and other matter.
A: Solar Systems
B: Galaxies