Question

which source would offer the most credible information about exciting new discoveries in the field of astrophysics?
oa. a scholarly book written in june 1984
ob. a peer - reviewed journal article published in february 2002
oc. a newspaper story printed in october 1997
od. an online academic article written in march 2015

Explanation:

Peer - reviewed journal articles are highly credible as they undergo a rigorous review process by experts in the field. Scholarly books (A) can be outdated (1984). Newspaper stories (C) are not as in - depth and may lack expert review. While online academic articles (D) can be good, peer - reviewed journals (B) have a more established credibility in academic research, especially for new discoveries in astrophysics which require expert validation.

Answer:

B. A peer - reviewed journal article published in February 2002