31. This forms a debris disk around an orbital radius of 16 Astronomical Units from the star. 32. The two components are separated by an estimated distance of at least, or 0.25 Astronomical Units . 33. Ion tails have been observed to extend one astronomical unit ( 150 million km ) or more. 34. It was calculated that the planet orbits its sun at an average distance of 2.7 astronomical units . 35. It seems to be not uncommon to be discussing kilometers, parsecs, lightyears and astronomical units at once. 36. In 2010, mas, approximately 3.5 astronomical units . 37. It appears to have a debris disk orbiting it at a minimum radius of 2.3 astronomical units . 38. But Astronomical unit # History describes several practical ways to get a reasonable answer-one of those should suffice. 39. This component is separated from the pair by 50 arcseconds, putting it at least 7000 Astronomical Units away. 40. Along with the astronomical unit ( AU ) s from the Sun and 0.01 AU from the Earth.
