Obs. : 2018-11-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.395e+11
Venus      3.574e+11
Earth      3.493e+11
Mars       3.501e+11
Jupiter    3.434e+11
Saturn     3.429e+11
Uranus     3.510e+11
Neptune    3.516e+11
Pluto      3.456e+11