title: A closer look at cosmic impacts.
authors.forename: Roberta
authors.initials: R
authors.lastname: Kwok
mesh_terms: D018534:Earth, Planet; D006112:Gravitation; D019110:Meteoroids; D018543:Minor Planets; D016081:Moon; D013997:Time Factors; D014867:Water / Q000032:analysis
chemical_list: D014867:Water