# Astronomical and nuclear sciences { "id": "T13458", "title": "Astronomical and nuclear sciences", "url": "/topics/T13458", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "openalex", "revision": "f154f0f67b521cfa", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "38364161868702451", "address_version": "morton4x16-v1", "coordinates": [ 3, 31, 3106, 13458 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } This cluster of papers focuses on nuclear masses, mass measurements of isotopes, atomic weights, and their implications for stellar metamorphosis, superheavy elements, and the periodic table. It includes research on neutron-rich nuclides, Penning trap spectrometry, and nucleosynthesis. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://openalex.org/T13458 No owner-reviewed local answer yet.