Obs. : 2015-03-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.807e+11
Venus      4.697e+11
Earth      4.384e+11
Mars       4.733e+11
Jupiter    4.470e+11
Saturn     4.531e+11
Uranus     4.733e+11
Neptune    4.807e+11
Pluto      4.729e+11