{"senses": [{"examples": [{"text": "The central volume of the protomoon is largely or wholly lost; material retained in orbit originally occupied positions relatively near the surface of the protomoon.", "ref": "1974, JA Wood, HE Mitler, “Origin of the Moon by a modified capture mechanism, or half a loaf is better than a whole one”, in Abstracts of the Lunar and Planetary Institute, adsabs.harvard.edu:", "type": "quotation", "bold_text_offsets": [[26, 35], [155, 164]]}, {"text": "Most of this matter goes into geocentric orbit, to be swept up later by the protomoon.", "ref": "1979, WM Kaula, “Thermal evolution of Earth and Moon growing by planetesimal impacts”, in Journal of Geophysical Research: Solid Earth, Wiley Online Library:", "type": "quotation", "bold_text_offsets": [[76, 85]]}, {"text": "If the Moon was formed during the Earth's accretion, a subsequent accretion of residual heliocentric planetesimals onto the protoearth and the protomoon must have occurred. In this co-accretion stage, a significant amount of lunar-impact-ejecta would be ejected to circumterrestrial orbits, since the mean impact velocity of the planetesimals with the protomoon is much larger than the escape velocity of the protomoon.", "ref": "2004 March 4, Ryuji Morishima, Sei-ichiro Watanabe, “Co-accretion of the Earth–Moon system after the giant impact: reduction of the total angular momentum by lunar impact ejecta”, in Icarus, volume 168, number 1, pages 60-79:", "type": "quotation", "bold_text_offsets": [[143, 152], [352, 361], [409, 418]]}], "links": [["proto-Moon", "proto-Moon#English"]], "categories": ["English entries with incorrect language header", "English lemmas", "English proper nouns", "English terms with quotations", "English uncountable nouns", "Pages with 1 entry", "Pages with entries"], "glosses": ["Alternative form of proto-Moon"], "tags": ["alt-of", "alternative"], "alt_of": [{"word": "proto-Moon"}]}], "pos": "name", "head_templates": [{"name": "en-proper noun", "args": {}, "expansion": "protomoon"}], "word": "protomoon", "lang": "English", "lang_code": "en"}