| A | B |
|---|
| heliocentric model | planets orbit the sun |
| geocentric model | stars etc orbit the earth |
| copernicus | suggested earth orbits the sun |
| Galileo Galilei | used telescope to study planets |
| helped astronomers record observations | photography |
| hubble | space telescope |
| our sun and planets/moons | the solar system |
| our galaxy | the milky way |
| infra red/visible/uv | part of the em spectrum |
| luminous objects | stars (sun the nearest) |
| reflect the suns light to earth | planets and the moon |
| persecuted Galileo (house arrest) | Catholic church |
