Thousands More Satellites Will Soon Orbit Earth--We Need Better Rules to Prevent Space Crashes

In recent years, satellites have become smaller, cheaper, and easier to make with commercial off-the-shelf parts. Some even weigh as little as one gram. This means more people can afford to send them into orbit. Now, satellite operators have started launching mega-constellations--groups of hundreds or even thousands of small satellites working together--into orbit around Earth. […]