| http://www.w3.org/ns/prov#value | - Just one of them (the G fragment) was estimated as being the equivalent of the explosion of six trillion tons of TNT. Comet hunters like Levy use rich field telescopes (RFTs) to visually sweep the sky for comets, but this type of telescope is also preferred for observing all types of faint, deep sky objects such as nebulas and galaxies.
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