A Constellation Of ‘Swarm’ Satellites Just Dodged A Collision Over Our Heads

The European Space Agency’s Swarm mission is made up of three spacecraft circling Earth to study our planet’s magnetic field. And recently the small constellation had to make an emergency maneuver on short notice to avoid a potential collision with space debris. This kind of move is far from unprecedented. ESA says each of its satellites has to make a collision avoidance maneuver two times a year, on average. What is unusual is that this dodge came with very little notice, and as Swarm was already climbing to safety from another threat. More

(Source: Forbes - Jul 16)