Obs. : 2016-07-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.112e+11
Venus      4.165e+11
Earth      3.803e+11
Mars       3.884e+11
Jupiter    4.034e+11
Saturn     3.874e+11
Uranus     3.856e+11
Neptune    3.736e+11
Pluto      3.803e+11