Complex sentence: Super-Kamiokande can look at much greater detail at neutrinos from the Sun and those generated in the Earth's atmosphere; however, at higher energies, the spectrum should include neutrinos dominated by those from sources outside the solar system.
Split into simpler sentences: Super-Kamiokande can look at much greater detail at neutrinos from the Sun and those generated in the Earth's atmosphere. However, at higher energies the spectrum should include neutrinos dominated by those from sources outside the solar system.