He used a simple microscope
Answer:
The ring of fire is an area around the pacific ocean where there is a lot of volcanic activity
Explanation:
Its only important because scientist need info to be able to find there conclusion.i hope this helps.
He reasoned that since parallax could not be observed for celestial objects near the sun, then the earth was stationary. This erroneous assumption was because at the time he had no way of knowing that celestial objects were so far away that their parallax angles were too small to detect.He reasoned that since parallax could not be observed for celestial objects near the sun, then the earth was stationary. This erroneous assumption was because at the time he had no way of knowing that celestial objects were so far away that their parallax angles were <span>too small to detect. </span>