As satellite constellations grow larger, NASA is worried about orbital debris

Multiple aerospace companies, including SpaceX and OneWeb, have vowed to someday launch thousands of satellites into low Earth orbit, but these mega-constellations could make space a more congested and dangerous place. That’s why NASA is recommending in a new report that these companies make sure their future satellites are taken out of orbit as soon as they complete their missions. Currently, there are about 4,000 intact spacecraft living in orbit around Earth, only 1,800 of which are operational. Yet, many companies want to dramatically increase that number. More

(Source: The Verge - Sep 29)