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view globalneighbors/constants.py @ 9:638fad06e556

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use bisect function; it has been tested faster
author Jeff Hammel <k0scist@gmail.com>
date Sun, 25 Jun 2017 11:37:52 -0700
parents 5dba84370182
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"""
physical constants
"""

# The Earth isn't a sphere, but let's pretend it is
# https://en.wikipedia.org/wiki/Earth_radius
Rearth = 6371.  # km
diameter = 2.*Rearth