Obs. : 2014-10-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.163e+11
Venus      4.180e+11
Earth      3.723e+11
Mars       4.140e+11
Jupiter    4.157e+11
Saturn     4.127e+11
Uranus     3.796e+11
Neptune    3.949e+11
Pluto      4.132e+11