Giant Rocket Launch Growth

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Rocket launches

Phys Org

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Science

Q&A: Rocket launches are proliferating. What is this doing to the atmosphere?

Summary

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80% Informative

Since 2017 , both the number of launches and the size of their cargo loads have grown dramatically, with ever bigger rockets carrying ever larger numbers of satellites and other objects per launch.

There are now about 10,000 satellites in low- Earth orbit, and thousands more that have stopped working.

Everything sent into orbit will eventually fall back to Earth , and as launches increase, so will re-entries of failed or decommissioned spacecraft.

Kostas Tsigaridis is an atmospheric scientist at the Columbia Climate School's Center for Climate Systems Research .

The heating of the stratosphere from black carbon heats up the tropopause, allowing water to "leak" into stratosphere.

This alters the chemistry and destroys stratospheric ozone.

Space debris is a very different story, and the burning happens higher up, in the mesosphere.

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informal

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