A petaton is an unit of
massthat is equal to 1,000 teratons. It can also used as a unit of energy equivalent to 10e15 (one million billion) tons of TNT. This latter use is usually restricted to astronomical events such as meteorimpacts or large science fictionweapons.
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petaton — noun A measure of the strength of an explosion or a bomb based on how many quadrillion tons of TNT would be needed to produce the same energy. See Also: kiloton, megaton, gigaton, teraton, exaton, zettaton, yottaton … Wiktionary
Teraton — A teraton is the equivalent, in SI terms, of being 1.00×1012 tons; 1,000 gigatons; 1,000,000 megatons; 1,000,000,000 kilotons; or 1,000,000,000,000 tons (one trillion tons) in its entirely expanded form.The energy released by the explosion of one … Wikipedia
Vicente Cuadra y Ruy Lugo — Vicente Cuadra y Ruy Lugo Presidente de Nicaragua 1 de marzo de 1871 – … Wikipedia Español