paper

The edge of space: Revisiting the Karman Line

arXiv:1807.07894 · doi:10.1016/j.actaastro.2018.07.003

Abstract

In this paper I revisit proposed definitions of the boundary between the Earth's atmosphere and outer space, considering orbital and suborbital trajectories used by space vehicles. In particular, I investigate the inner edge of outer space from historical, physical and technological viewpoints and propose 80 kilometers as a more appropriate boundary than the currently popular 100 km Von Kármán line.

17 pages, 4 figures

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