==== Interface to NRLMSISE-00 ==== NRLMSISE-00 is an empirical, global model of the Earth's atmosphere from ground to space. General model information can be found on [[https://en.wikipedia.org/wiki/NRLMSISE-00|wikipedia]]. NASA also provides an online interactive interface that can be accessed [[https://ccmc.gsfc.nasa.gov/modelweb/models/nrlmsise00.php|here]].