Zusammenfassung der Ressource
The Solar System
- Observing objects in space
- Luminous objects in space give out visible light
- These visible light waves allow people to study different objects
- Many objects don't give out visible light
- They emit radio waves and microwaves
- Different types of telescopes are used to detect the different waves
- Scientists use this data to make conclusions about the Universe
- Solar System models
- Geocentric model
- Ptolemy's geocentric model
- Planets moved in small circles as they orbited the Earth
- Heliocentric model
- Copernicus's heliocentric model
- A model with the Sun at the centre of the Solar System
- Telescopes
- With the invention of the telescope, it allowed scientists to see objects in space in much greater detail
- Galileo discovered four of Jupiter's moons using a telescope
- By plotting the movements he showed that not everything orbited the Earth
- This and other observations supported Copernicus's idea
- Supported the heliocentric model
- As telescopes improved more discoveries were made
- Like the planets Uranus and Neptune and the dwarf planet Pluto