*The mass of the [[Earth]] is 5,972.6 Yg.<ref name="Earth fact sheet">{{cite web|last1=Williams|first1=David R.|title=Earth fact sheet|url=http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html|website=Earth fact sheet|publisher=NASA|access-date=31 October 2015|ref=2}}</ref>
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*The mass of the [[Earth]] is 5,972.6 Yg.<ref name="Earth fact sheet">{{cite web|last1=Williams|first1=David R.|title=Earth fact sheet|url=http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html|website=Earth fact sheet|publisher=NASA|access-date=31 October 2015|ref=2|archive-date=8 May 2013|archive-url=https://web.archive.org/web/20130508021904/http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html|url-status=dead}}</ref>
*The mass of the [[ocean]]s is about 1.4 Yg.<ref>{{cite book
*The mass of the [[ocean]]s is about 1.4 Yg.<ref>{{cite book