The Solar System Flashcards

All 6 cards in this deck

What does our Solar System consist of?

The Sun (our star), eight planets and their natural satellites (moons), dwarf planets, asteroids and comets.

Name the eight planets in order of distance from the Sun.

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

What is the geocentric model of the Solar System?

The old model with the Earth at the centre, with the Sun, Moon and planets orbiting the Earth.

What is the heliocentric model of the Solar System?

The accepted model with the Sun at the centre and the planets orbiting the Sun.

Give one observation made with early telescopes that supported the heliocentric model.

Galileo saw moons orbiting Jupiter, showing not everything orbits the Earth.

(Accept: the phases of Venus.)

True or false? Pluto is one of the eight planets of the Solar System.

False. Pluto is now classified as a dwarf planet.