Science

HideShow resource information
galaxy
a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.There are billions of other galaxies, all of the galaxies together make up the universe.
1 of 10
Milky way
the sun is part of a galaxy called the milky way, all the stars we can see in the sky at night are in the milky way.
2 of 10
moon
a moon orbiting around one of the other planets in the solar system.
3 of 10
a Moon
the Moon ( with a capital letter)-the object that is orbiting around earth.
4 of 10
planets
a celestial body moving in an elliptical orbit round a star
5 of 10
universe
all existing matter and space considered as a whole; the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the Big Bang about 13 bill
6 of 10
geocentric
this is a theory by ptolemy that everything in our solar system orbits the earth.
7 of 10
heliocentric
a theory by nicolaus copernicus that everything in our solar system orbits the sun
8 of 10
orbits
meaning it goes around, an object or spacecraft orbits a planet otr a star.
9 of 10
star
a star is a massive ball of plasma held together by gravity,it radiates heat and light, and has a nuclear reaction happening at its core.
10 of 10

Other cards in this set

Card 2

Front

the sun is part of a galaxy called the milky way, all the stars we can see in the sky at night are in the milky way.

Back

Milky way

Card 3

Front

a moon orbiting around one of the other planets in the solar system.

Back

Preview of the back of card 3

Card 4

Front

the Moon ( with a capital letter)-the object that is orbiting around earth.

Back

Preview of the back of card 4

Card 5

Front

a celestial body moving in an elliptical orbit round a star

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Earth in space resources »