Obs. : 2015-06-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.552e+11
Venus      4.246e+11
Earth      4.456e+11
Mars       4.491e+11
Jupiter    4.130e+11
Saturn     4.281e+11
Uranus     4.626e+11
Neptune    4.665e+11
Pluto      4.577e+11