Tyson further describes Halley 's contributions including determining Earth 's distance to the sun , the motion of stars and predicting of the orbit of the then-unnamed Halley 's comet using Newton 's laws .
NOUN ADV VERB PROPN PART NOUN VERB VERB PROPN PART NOUN ADP DET NOUN , DET NOUN ADP NOUN CCONJ NOUN ADP DET NOUN ADP DET ADJ PROPN PART NOUN VERB PROPN PART NOUN .