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- ASTRONAUT,A spaceperson
- ASTEROID,A rock orbiting the Sun
- ASTRONOMY,The study of space
- ATMOSPHERE,Gases surrounding a planet
- COMET,Halley's is one
- CORE,The centre of a planet
- CORONA,The Sun's atmosphere
- CRATER,You can see many of these on the Moon
- EARTH,Our home planet
- ECLIPSE,When the Moon blocks out the Sun
- EQUATOR,A line around the middle of the Earth
- FULL,A phase of the Moon
- GALAXY,A very large collection of stars
- GRAVITY,Force acting on planets from the Sun
- HYDROGEN,Gas that the Sun is made from
- IO,One of the moons of Jupiter
- JUPITER,Largest planet in the solar system
- LIGHT,Comes from the Sun
- MARS,Sometimes known as the red planet
- MERCURY,Closest planet to the Sun
- MOON,Orbits the Earth, once a month
- NEBULA,Glowing gas in space
- NEPTUNE,Sometimes is the most distant planet
- NEW,Phase of the Moon when it can't be seen
- NINE,The number of planets
- ORBIT,The Earth does this around the Sun
- OXYGEN,Gas needed by astronauts
- PLANET,The Earth is one of these
- PLUTO,The Last planet to be discovered
- RADIO,A telescope that you don't look through
- RINGS,Found around Saturn
- ROCK,What much of the Earth is made of
- ROCKET,You need one to get into orbit
- SATELLIE,Orbits the Earth
- SATURN,The planet with the rings
- SEASONS,Spring Summer Autumn & Winter
- SHUTTLE,America's space plane
- STAR,Our sun is one of these
- SOLAR,Anything to do with the Sun
- SPOT,There is a large red one on Jupiter
- SUN,The centre of our solar system
- TELESCOPE,Used to study space
- TIDES,The Moon causes these on the Earth
- TWO,The number of moons of Mars
- UNIVERSE,Everything everywhere
- URANUS,A planet with rings
- VENUS,A plant next to the Earth
- VOYAGER,The name of a space probe
- YEAR,About 365 days for the Earth
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