• What is the global change impact on the upper atmosphere?

    Posted on July 20th, 2009 Submitted by jla

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    Well, it is not the most important question but after ozone depletion story on one hand and considering increasing dependence of society on space technologies including GPS this question must not be neglected.

    One comment

    1. 237_CHANIN says:

      Even though I agree it’s not the more urgent question, changes in the upper atmosphere density and temperature are already observed and their changes need to be monitored to take them into account for trajectography and rentry of space vehicles