# Telescopes

In 1609 and 1610 Galileo pointed a telescope at the sky and saw mountains on the Moon, phases of Venus and four moons circling Jupiter. Each new kind of telescope since, from radio dishes to space observatories, has opened another kind of sky.

Connects to:
- [The naked-eye sky](https://mapideas.org/i/as_sky)
- [Lives of stars](https://mapideas.org/i/as_stars)
- [What is out there?](https://mapideas.org/i/q_astro_out)

Sources:
- [Wikipedia: Telescope](https://en.wikipedia.org/wiki/Telescope)
- [Wikipedia: Galileo Galilei](https://en.wikipedia.org/wiki/Galileo_Galilei)

Source: https://mapideas.org/i/as_scope · open on the map: https://mapideas.org/#as_scope