English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We explore the change in Jupiter's normalized axial moment of inertia (NMOI)assuming that Jupiter undergoes core erosion. It is found that Jupiter'scontraction combined with an erosion of 20 M_Earth from a primordial core of 30M_Earth can change Jupiter's NMOI over time significantly. It is shown thatJupiter's NMOI could have changed from ~0.235 to ~0.264 throughout itsevolution. We find that a NMOI value of ~0.235 as suggested by dynamical models(Ward & Canup, 2006, ApJ, 640, L91) could, in principle, be consistent withJupiter's primordial internal structure. Low NMOI values, however, persist onlyfor the first ~ 10^6 years of Jupiter's evolution. Re-evaluation of dynamicalstability models as well as more sophisticated evolution models of Jupiter withcore erosion seem to be required in order to provide more robust estimates forJupiter's primordial NMOI.

The Change in Jupiter's Moment of Inertia due to Core Erosion and Planetary Contraction