1) The Earth's average distance from the Sun is about one astronomical unit.

2) Pluto's distance from the Sun can vary between 30 and 50 astronomical units.

3) The Voyager 1 spacecraft has traveled beyond the boundary of the solar system to about 146 astronomical units.

4) The dwarf planet Eris is about 96 astronomical units away from the Sun at its closest approach.

5) Kuiper Belt objects are located beyond Neptune, typically at distances greater than 30 astronomical units.

6) Some exoplanets have been discovered orbiting their stars at distances of less than one astronomical unit.

7) Sedna is a distant trans-Neptunian object with an average distance from the Sun of about 500 astronomical units.

8) The Oort Cloud extends from about 2,000 to 100,000 astronomical units from the Sun.

9) A light-year is approximately equal to 63,241 astronomical units.

10) The heliopause marks the boundary where the influence of the solar wind and magnetic field is believed to end, typically around 120 astronomical units from the Sun.