<P> Edmond Halley realised in 1705 that repeated sightings of a comet were recording the same object , returning regularly once every 75 -- 76 years . This was the first evidence that anything other than the planets orbited the Sun . Around this time ( 1704 ) , the term `` Solar System '' first appeared in English . </P>
<P> Edmond Halley realised in 1705 that repeated sightings of a comet were recording the same object , returning regularly once every 75 -- 76 years . This was the first evidence that anything other than the planets orbited the Sun . Around this time ( 1704 ) , the term `` Solar System '' first appeared in English . </P>
who discovered the planets orbit around the sun
who discovered the planets orbit around the sun
Edmond Halley
Edmond Halley