Planetary core: Difference between revisions

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==== Remnant Planetary Cores ====
Missions to bodies in the [[asteroid belt]] will provide more insight to planetary core formation. It was previously understood that collisions in the solar system fully merged, but recent work on planetary bodies argues that remnants of collisions have their outer layers stripped, leaving behind a body that would eventually become a planetary core.<ref>{{Cite journal|last=Williams|first=Quentin|last2=Agnor|first2=Craig B.|last3=Asphaug|first3=Erik|date=January 2006|title=Hit-and-run planetary collisions|journal=Nature|volume=439|issue=7073|pages=155–160|doi=10.1038/nature04311|pmid=16407944|issn=1476-4687|bibcode=2006Natur.439..155A}}</ref> The [[Psyche mission]], titled “Journey to a Metal World,” is aiming to studying a body that could possibly be a remnant planetary core.<ref>{{Cite journal|last=Lord|first=Peter|last2=Tilley|first2=Scott|last3=Oh|first3=David Y.|last4=Goebel|first4=Dan|last5=Polanskey|first5=Carol|last6=Snyder|first6=Steve|last7=Carr|first7=Greg|last8=Collins|first8=Steven M.|last9=Lantoine|first9=Gregory|date=March 2017|title=Psyche: Journey to a metal world|journal=2017 IEEE Aerospace Conference|pages=1–11|publisher=IEEE|doi=10.1109/aero.2017.7943771|isbn=9781509016136}}</ref>
 
===Extrasolar===