# Task list items (checkbox)

see more in the [GitHub Flavored Markdown Spec](https://github.github.com/gfm/#example-279)

First example

- [ ] foo
- [x] bar

Second example

- [x] foo
  - [ ] bar
  - [x] baz
- [ ] bim

[x] bim

### Solar System Exploration, 1950s – 1960s

- [ ] Mercury
- [x] Venus
- [x] Earth (Orbit/Moon)
- [x] Mars
- [ ] Jupiter
- [ ] Saturn
- [ ] Uranus
- [ ] Neptune
- [ ] Comet Haley