The first one to be named was `` Halley 's Comet `` ( now officially known as Comet Halley ) , named after Edmond Halley , who had calculated its orbit .
DET ADJ NOUN PART AUX VERB AUX `` PROPN PART PROPN `` ( ADV ADV VERB ADP PROPN PROPN ) , VERB ADP PROPN PROPN , PRON AUX VERB PRON NOUN .