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Halley’s comet
Halley's Comet, or 1P/Halley, is a large, high-gloss comet...
Henry VIII
Henry VIII was king of England better known for all his...
Heliocentrism
Heliocentrism is an astronomical model that explained that the earth and...
Humphrey Bogart
Humphrey Bogart was a very well-known and famous writer, magazine...
Hoist
The hoist or rig is a machine composed of a system of...
Hexadecimal system
The hexadecimal system is a type of positional numeration that uses...
Holoprosencephaly
Holoprosencephaly (HPE) corresponds to a severe and complex brain congenital...
Hammer throw
Hammer throwing is a sport located within the category of athletics...
Herman Hollerith
Herman Hollerith was the American inventor who created the first...
Humanism
Humanism is an intellectual and philosophical movement of the Renaissance that...
Hyperbole
Hyperbole is a rhetorical figure of thought characterized by intentional...
Hyperbaton
The hyperbaton is a rhetorical figure of diction that alters the syntactic or...