Planets
The Largest Planet
Jupiter
He invented the first telescope.
Galileo
A space rock that orbits the sun.
Asteroid
The name of our Galaxy
Milky Way Galaxy
The invisible force that keeps objects on Earth
Gravity
The planet closest to the Sun
Mercury
Neil Armstrong
A frozen ball of dust and ice that travels through outer space.
A comet
Tiny particles that all substances are made of.
Atoms
The name of the first spaceship that USA sent to the moon.
Apollo 11
The planet farthest from the Sun
Neptune
The first live type of animal to go into space.
Dog
A famous comet that is visible to earth every 76 years.
Halley's Comet
The circular path that an object in space takes around another object. (Earth around the sun)
orbit
An object or area in space that has such strong gravity that not even light can escape from it.
Black Hole
The four planets that are Gas Giants
Jupiter, Saturn, Uranus, Neptune
The first animal that the USA sent into space.
Ape
A piece of rock that burns very brightly when it enters earth's atmosphere is a meteor - it is also known as this.
A shooting star.
Distance traveled by light over a period of years - how they measure in space.
Light Years
These rise and fall in the ocean becuase of the Moon's gravitational pull.
Tides
The 4 solid planets
Mercury, Venus, Earth, Mars
The first country to send a satelite into space.
USSR (or Russia)
A meteor that does not fully burn up in Earth's atmosphere and falls to the earth.
Meteorite.
A segment or section of the spaceship designed to do a specific job.
Module
The name of the Astronaut that walked on the moon with Neil Armstrong.
Buzz Aldrin