A Japanese startup will launch a satellite into orbit next March on a test mission to remove space debris, its officials said Wednesday.Astroscale Holdings Inc.'s satellite will be carried into space by a Russian Soyuz rocket lifting off from Kazakhstan's Baikonur Cosmodrome.Space debris, including defunct satellites and jettisoned rocket sections, is considered a threat to active satellites and the International Space Station. Roughly 20,000 such objects larger than 10 centimeters have already been detected, according to Japan's space agency.The box-shaped satellite measures about 60 cm in…READ FULL ARTICLE