Halley’s comet, the first comet whose return was predicted and, almost three centuries later, the first to be imaged up close by interplanetary spacecraft As a periodic comet, it returns to earth's vicinity about every 75 years, making it possible for a person to see it twice in their. In 1705 english astronomer edmond halley published the first catalog of the orbits of 24 comets.
Halley is often called the most famous comet because it marked the first time astronomers understood comets could be repeat visitors to our night skies
Astronomers have now linked the comet's appearances to observations dating back more than 2,000 years.
The famous comet named for astronomer edmond halley only passes by the earth roughly once every 76 years, but its appearances have often played a surprising role in historical events. Halley's comet is probably the most well known of all the comets Halley's comet is arguably the most famous comet in history