noun

particles (=the smallest pieces that make up all substances) that are the exact opposites of all the particles in the universe

noun

a mass of rock that moves around in space. Most asteroids are found between the planets Jupiter and Mars, a region of space known as the asteroid belt.

the constellation (=group of stars) called the plough

noun

an area in outer space where the force of gravity is so strong that light and everything else around it is pulled into it

noun

something in space, such as a star or planet

noun

a lot of stars that are close to each other

noun

a bright object in space that has a tail of gas and dust

noun

a group of stars that form a particular pattern in the sky. Most of the constellations we know have been given names, for example Orion the Hunter and the Great Bear.

noun

extremely small pieces of matter found in space, often in clouds

noun

a substance that scientists think exists out in space, but for which they have no direct proof

noun

a very small star that does not shine brightly

noun

the planet on which we live

noun

a shooting star

noun

an extremely large group of stars and planets

noun

the large group of stars and planets that the Earth and our sun are part of

noun

a large planet such as Jupiter or Saturn that consists mainly of hydrogen and helium

noun

a star, planet, or moon

noun

the north star

noun

a large piece of rock from space that passes into the Earth’s atmosphere and appears as a bright light in the sky

the group of planets and stars that the Earth belongs to and that you can see at night as a band of pale light across the sky

noun

the object similar to a planet that goes round the Earth and that you can see shining in the sky at night

noun

an object similar to a planet that goes round another planet

noun

a very large cloud of dust and gas that exists in outer space

the bright star that you can see almost directly over the north pole

noun

a star that unexpectedly becomes very bright and then returns to its normal brightness over a period of months or years

noun

the sun or the moon

noun

a very large round object that moves around the Sun or another star

a group of seven bright stars that you can only see in the northern part of the world. The American name is the Big Dipper.

the American spelling of plough

noun

a type of star in space that produces a regular radio signal

noun

a very bright object in space that looks like a star and produces a lot of energy

noun

a very big red star

noun

a natural object such as a moon that moves around a planet

noun

a meteor that makes a line of light as it falls through the sky

noun

a star and the planets that go round it, especially the Sun and the group of planets that includes the Earth

noun

a very large hot ball of gas that appears as a small bright light in the sky at night

noun

the star in the sky that provides light and warmth to the Earth

noun

any very bright star, especially one that a planet travels round

noun

an exploding star that produces an extremely bright light

noun

a star that does not shine very brightly and is at the end of its life

noun

any other planet