Planets
Rocky Planets are known as?
Terrestrial Planets
Our planets revolve around this star.
The Sun
A small rocky object orbiting the Sun.
Asteroid
A planetary-mass object that does not dominate its region of space and is not a satellite.
Dwarf Planet
The force that attracts a body toward any other physical body having mass.
Gravity
The gaseous and outer planets are know as?
Gas Giants
An astronomical object consisting of a luminous spheroid of plasma held together by its own gravity is a ----.
Star
Dusty snowballs which orbit the Sun.
Comet
A small very dense star that is typically the size of a planet.
White dwarf
A reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and neutrons or protons.
Nuclear Fusion
What is Earth's twin?
Venus
When a star collapses a ----- ---- forms.
black hole
A small body of matter from outer space that enter's the Earth's atmosphere.
Meteor
A very large star of high luminosity and low surface temperature.
Red Giant
A giant cloud of dust and gas in space.
Nebula
What inner planet has glaciers?
Mars
What is a powerful and luminous stellar explosion?
A supernova
A meteor that survives its passage through the
Earth's atmosphere such that part of it strikes the ground.
Meteorite
What is the larges dwarf planet known?
Eris
A region in the Solar System located between Mars and Jupiter.
Asteroid Belt
How many moons does Mercury have?
0 moons
A contracting mass of gas which represents an early stage in the formation of a star.
Protostar
A small body moving in the solar system that would become a meteor if it entered the Earth's atmosphere.
Meteoroid
Which dwarf planet has rings?
Haumea
A region in the Solar System extending from the orbit of Neptune.
Kuiper Belt