Linked from
The 26 pages that link to Neutrino astronomy, each with the reason it gives.
NeutrinoRelated: Neutrinos can escape dense regions that absorb or scatter light.
AstrophysicsRelated: Neutrinos can escape dense environments that block electromagnetic radiation.
BlazarRelated: A possible neutrino association with a blazar can constrain hadronic jet models.
KamiokandeNarrower topic: Kamiokande’s supernova signal became a landmark observation in this field.