Obs. : 2012-03-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.092e+11
Venus      4.078e+11
Earth      4.228e+11
Mars       4.273e+11
Jupiter    4.044e+11
Saturn     4.281e+11
Uranus     4.092e+11
Neptune    4.113e+11
Pluto      4.183e+11