Используйте «astronomical unit» в предложении

1. the astronomical unit is growing by an estimated 5

2. Approximate distance to the Sun: forty Astronomical Units[3]

3. 1 Astronomical Units from the Sun at the moment, a bit further out than Pluto, it was now moving away along an extended hyperbole with an inclination of 44 degrees to the Solar System’s orbital plane

4. astronomical unit, which has the distance of the earth and the sun at a position of 1