Obs. : 2016-04-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.120e+11
Venus      4.197e+11
Earth      4.139e+11
Mars       4.156e+11
Jupiter    4.171e+11
Saturn     4.167e+11
Uranus     4.120e+11
Neptune    4.195e+11
Pluto      4.181e+11