內地核
地球嘅內核係地球嘅最深層部份，呈固態球形，半徑大概1220公里[1][2]。內核推斷係由鐵-鎳嘅合金組成，表面溫度約莫同太陽嘅一樣，即係大概5700開氏度。
參考
[編輯]- ↑ Monnereau, Marc; Calvet, Marie; Margerin, Ludovic; Souriau, Annie (May 21, 2010). "Lopsided Growth of Earth's Inner Core". Science. 328 (5981): 1014–1017. Bibcode:2010Sci...328.1014M. doi:10.1126/science.1186212. PMID 20395477.
- ↑ E. R. Engdahl; E. A. Flynn; R. P. Massé (1974). "Differential PkiKP travel times and the radius of the core". Geophys. J. R. Astr. Soc. 40 (3): 457–463. Bibcode:1974GeoJI..39..457E. doi:10.1111/j.1365-246X.1974.tb05467.x.
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