On-demand, artificial meteor showers are discussed in
- Artificial Shooting Stars - how could this possibly work (economically/technologically)?
- Why would a box full of 1cm balls released into LEO be so scary to an engineer supporting the ISS? - (Updated)
Are these now officially a thing? If so, how much do they cost? Are they happening regularly, or at least occasionally? Has the "box full of 1cm balls released into LEO" been emptied yet? Is it at least half-empty or half-full depending on your perspective?