It is all of space and time. It is everything we can touch, feel, sense, measure or detect. It includes living things, planets, stars, dust clouds, light, and even time.
solar system
universe
black hole
It is the collection of eight planets and their moons in orbit round the sun.
galaxy
This is the scientific study of the universe. It is the study of the sun, moon, stars, planets, comets, gas, galaxies, gas, dust and other non-Earthly bodies.
astronomy
astronaut
astronomer
It is a system of millions or billions of stars, together with gas and dust. It is held together by gravity.
space
This often simply means "universe". The universe considered as a system with an order and pattern.
cosmos
It is an object or a celestial body that orbits the sun.
star
meteor
planet
This is a scientist who studies the stars , planets , and other natural objects in the universe.
It is the galaxy that contains our solar system. All the stars we see in the night sky are in this galaxy.
Milk Way
Milky Way
Milky Ways
Fine particles of matter. Dry powder consisting of tiny particles of earth.
dust
stone
water
This is a small body moving in the solar system.
asteroid
meteoroid
This is a large, irregularly shaped object in space that orbits our Sun.
meteorite
astroid
A person who travels beyond the earth's atmosphere, travels in outer space.
pilot
It is a very large ball of burning gas in space. It is a bright point of light in the sky.
moon
It is an optical instrument. You can observe the stars or planets with it.
periscope
microscope
telescope
It is a cloud of gas and dust in outer space.
nebula
It is a vehicle in which astronauts can travel round the earth, outside its atmosphere, doing scientific tests.
space agency
space station
space travel
