THE EARTH IN THE UNIVERSE

Question 1

ASTRONOMY

Answer 1

Science that studies the origin and evolution of the universe

Question 2

UNIVERSE / COSMOS

Answer 2

Everything that exists (energy, matter, space)

Question 3

GALAXIES

Answer 3

Huge group of stars, nebulae, interstellar dust and gas held together by the force of the gravity

Question 4

STARS

Answer 4

Large spheres of gas made mostly of hydrogen and helium. They release energy in form of light and heat.

Question 5

PLANETS

Answer 5

Bodies that move around the sun in orbits not ocuppied by other bodies.

Question 6

SATELLITES

Answer 6

Rocky bodies that orbit planets.

Question 7

COMETS

Answer 7

Bodies composed of ice, rock and dust that orbit the sun in distant orbits

Question 8

ASTEROID

Answer 8

a small rocky body orbiting the sun.

Question 9

METEORITE

Answer 9

a piece of rock or metal that has fallen to the earth’s surface from outer space.

Question 10

SHOOTING STAR

Answer 10

a small, rapidly moving meteor that burns up when it enters the earth’s atmosphere.

Question 11

LIGHT YEAR

Answer 11

the distance a beam of light travels in a single Earth year.

Question 12

ASTRONOMICAL UNIT

Answer 12

The distance between the earth and the sun.

Question 13

ROTATION

Answer 13

Movement a body makes on its own axis.

Question 14

REVOLUTION

Answer 14

Movement of the planet around the sun.