EVERYDAY SCIENCE

Detailed explanation-1: -In 1705 English astronomer Edmond Halley published the first catalog of the orbits of 24 comets. His calculations showed that comets observed in 1531, 1607, and 1682 had very similar orbits.

Detailed explanation-2: -But it was not until 1705 that the English astronomer Edmond Halley understood that these appearances were re-appearances of the same comet. As a result of this discovery, the comet is named after Edmond Halley.

Detailed explanation-3: -Many astronomers at different times from all over the world observed this phenomenon without realising that they actually see the same object periodically approaching the Earth. The comet was called after Edmond Halley, who had calculated its orbit and predicted the next appearance very precisely.

Detailed explanation-4: -The most famous of all comets was certainly seen by the English astronomer and mathematician Edmond Halley when it flew round the Sun in 1682, but he did not discover it.