The world’s orbit is filling up. Here’s how we avoid disaster.

The world's orbit is filling up. Here's how we avoid disaster.

It has been less than 70 years since humans launched their first artificial satellite, Sputnik 1, into orbit around Earth. That event started not only the Space Race but also the Space Age, our modern age of satellite instruments. At the beginning of 2019, there were about 2,000 active and dead satellite payloads orbiting the … Read more