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barentsen/median-radius-of-kepler-exoplanets.py

Created April 1, 2016 18:53
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Compute the median radius of all confirmed Kepler planets using Python and the NASA Exoplanet Archive.
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median-radius-of-kepler-exoplanets.py
"""Compute the median radius of all confirmed Kepler planets."""
import pandas as pd
# Fetch the table of confirmed exoplanets from NExSci
planets = pd.read_csv('http://exoplanetarchive.ipac.caltech.edu/cgi-bin/nstedAPI/nph-nstedAPI?table=exoplanets&select=*')
# Select the Kepler planets
kepler_planets = planets[planets.pl_kepflag == 1]
# Do your statistics
print(kepler_planets.pl_rade.median())
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