கேள்வி: இரவித் கெல்லெடு - தேர்ந்தெடுத்த வெளியீடுகள் பற்றி விளக்கவும்.
பதில்: * Ravit Helled, John D Anderson, Gerald Schubert, Morris Podolak, Interior Models of Uranus and Neptune ''The Astrophysical Journal'' 726 (1), 15 (9 December 2010) DOI: 10.1088/0004-637X/726/1/15 *Ravit Helled et al., Giant Planet Formation, Evolution, and Internal Structure, Protostars and Planets VI, Henrik Beuther, Ralf S. Klessen, Cornelis P. Dullemond, and Thomas Henning (eds.), University of Arizona Press, Tucson, 914 pp., p.&nbsp;643-665, DOI: 10.2458/azu_uapress_9780816531240-ch028, arXiv:1311.1142 [astro-ph.EP] * Ravit Helled, Gerald Schubert, Core Formation in Giant Gaseous Protoplanets, Astrophysics (astro-ph), DOI: 10.1016/j.icarus.2008.08.002, arXiv:0808.2787 [astro-ph] *Ravit Helled, Eli Galanti, Yohai Kaspi. Saturn’s fast spin determined from its gravitational field and oblateness. Nature 520, 202–204 (09 April 2015); DOI: 10.1038/nature14278 *Ravit Helled, Jonathan Lunine, Measuring Jupiter's water abundance by Juno: The link between interior and formation models, Monthly Notices of the Royal Astronomical Society. 03/2014; 441(3). DOI: 10.1093/mnras/stu516