Definitions
A natural object which is located outside of Earth's atmosphere.
What is a Celestial Object
An enormous ball of extremely hot, ionized gas that shines under its own power.
What is a star?
This planet has the greatest distance to the sun
Neptune
Jupiter, Saturn, Uranus, and Neptune
What are the gas giants?
Small rocky objects that orbit the sun and are smaller than planets.
What are Asteroids?
A Celestial Object made of frozen gases, ice, and dust. It also commonly has a tail.
What is a Comet?
This force holds the cloud of gas together.
What is Gravity?
The planet closest to Earth.
What is Mars.
This planet has the most rings.
What is Saturn.
Any rock that enters the atmosphere of Earth.
What is a Meteor?
This celestial object must orbit a star, it must be big enough to have enough gravity to force a spherical shape, and it must be big enough that its gravity cleared away any objects of a similar size near its orbit.
What is a Planet.
How long does it take Earth to make a complete rotation so that all parts of the Earth receive sunlight?
24 hours
This planet has the shortest orbit.
What is Mercury.
Eris, Haumea, Makemake, and Pluto for example.
What are the Dwarf Planets?
A rock from space that hits the ground.
What is a Meteorite?
This is the category of planet that isn't made of gas.
What is a terrestrial planet.
It is the source of energy for life on Earth.
What is the Sun.
Distance in space is measure by _____________ years
Light years
This planet rotates in a retrograde direction.
What is Venus?
These celestial objects are often called shooting stars.
What are Meteors?
The force of attraction between all masses in the Universe.
What is gravitational force
Earth makes a complete orbit around the sun in how many days?
365.25
The largest gap between planets is between which 2 planets
Saturn and Uranus
The only two planets in our solar system without moons.
What are Mercury and Venus?
Where are most of the asteroids located in our solar system?
What is the asteroid belt.