Complex sentence: As a postgraduate student, she discovered the first radio pulsars in 1967, for which she was awarded the Nobel Prize in Physics but her thesis supervisor Antony Hewish and the astronomer Martin Ryle were the named recipients.
Split into simpler sentences: As a postgraduate student, she discovered the first radio pulsars in 1967. The discovery was awarded the Nobel Prize in Physics but her thesis supervisor Antony Hewish and the astronomer Martin Ryle were the named recipients.