Leonard David's INSIDE OUTER SPACE

Up and outward bound.
Credit: SpaceX

There is need for an appropriate scientific program to measure launch and reentry plumes and conduct laboratory measurements of the microphysics of all the different particle types generated from launch to reentry.

The effort would be a government and commercial partnership.

Spacecraft reentry: Atmospherics Credit: CORDS

Indeed, very little is known about reentry dust production, the microphysics of the particles and how reentry dust could affect climate and ozone.

Go to my co-authored Space Opinion piece with Martin N. Ross of The Aerospace Corporation, published in Scientific American on November 6, 2020:

An Underappreciated Danger of the New Space Age – Global Air Pollution by Martin Ross and Leonard David at:

https://www.scientificamerican.com/article/an-underappreciated-danger-of-the-new-space-age-global-air-pollution/