Even though Boomerang and Tse-Tse Fly were devised 30 years ago, it now turns out that something similar has existed for millions of years--it just wasn't known about until the space-probe Galileo took this marvellous picture of the asteroid Ida en route to Jupiter (Note that it has its own little moon, like Boomerang's Tse-Tse Fly, called Dactyl--it's that dot on the right.)