I want to know the answer to the following question:
What could have blasted Neptune and Uranus's atmosphere with radiation, aiding in creation?
All the background I'm provided with is that "One is that the ice giants were not formed by core accretion but from instabilities within the original protoplanetary disc and later had their atmospheres blasted away by radiation from a nearby massive OB star.". Is that enough to answer the question?
Answer: yes