sentence: Binary pulsars are one of the few tools scientists have to detect evidence of gravitational waves.
sentences_after: As the two stellar bodies draw closer to one another, often one pulsar will absorb matter from the other, causing a violent accretion process. This flow of matter from one stellar body to another is known as an accretion disk.
concept_name: binary pulsar
headings: Binary pulsar Relativity
categories: Types of stars Relativity