Obs. : 2016-03-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.313e+11
Venus      4.335e+11
Earth      4.191e+11
Mars       4.267e+11
Jupiter    4.185e+11
Saturn     4.267e+11
Uranus     4.235e+11
Neptune    4.335e+11
Pluto      4.289e+11