Obs. : 2012-03-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.227e+11
Venus      4.222e+11
Earth      4.103e+11
Mars       4.103e+11
Jupiter    4.228e+11
Saturn     4.119e+11
Uranus     4.227e+11
Neptune    4.159e+11
Pluto      4.130e+11