Question: Starting with the hypothesis that a planet near Uranus was the cause of the orbital discrepancy, scientists had to develop a plan to find the unidentified planet.
They started with what they knew about the discrepancies in the orbit of Uranus. Rank the steps in the order that scientists would take to discover the planet.
Answer:
calculate the mass, orbit and likely position of the unidentified planet
-use optical telescopes to search a region of the sky where the unidentified planet is predicted to be
-compare to current observations to existing star charts
-make continued observations