Obs. : 2014-05-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.971e+11
Venus      3.920e+11
Earth      4.389e+11
Mars       4.166e+11
Jupiter    3.966e+11
Saturn     4.247e+11
Uranus     3.920e+11
Neptune    3.952e+11
Pluto      4.313e+11