Edmund Halley did not invent anything, but he was a British astronomer known for calculating the orbit of the comet that now bears his name. Halley's Comet, which passes by Earth approximately every 75-76 years, was the first comet to be recognized as periodic.
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We don't know exactly. The person who recognized that it was the same comet appearing periodically every 76 years or so was Edmund Halley, but we don't know who was the first to ever see it.
His father was also named Edmund but there is no reference to the name of his mother.
Edmund's parents were called (father) Percival Augustus Hillary and (mother) Gertrude Hillary, née Clark.
Edmund Monson has written: 'Washington and the mother country' -- subject(s): Relations
Edmund Hillary's mother was Gertrude Hillary, née Clark
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His father was Edmund Drake and his mother was Mary Mylwaye.
No. It's a comet.
Edmund Hillary's parents were called Percival Augustus Hillary and Gertrude Hillary, née Clark
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