Satellites and sky pollution
Elon Mask’s SpaceX network with 2000 Starlink satellites cause the following threats”
- Satellite collisions
According to Space.com 50% close encounters between two satellites in 2021 involved Starlink satellites. Triggered by this risk, China initiated the process with the UN Office for Outer Space Affairs.
- Environmental damage
Such concentration of satellites creates various types of pollutions: light pollution, space junk, chemicals in the atmosphere, etc.
- Changing night sky and interfering with astronomy
One in 15 sources of lights are satellites. Such ‘light pollution’ will make much more difficult for astronomers to spot asteroids and do their research.
You can learn more here.