Question

What is similar about the discoveries of Neptune and Pluto?
- they were discovered as planets by use of the sextant
- they were both recognized to be planets because of objects orbiting them
- they were both identified as planets by virtue of their movement in the sky
- they were discovered within 10 years of each other so roughly at the same time
Answer
select the correct one
Answered by GPT 3.5
- they were both discovered through mathematical predictions before being observed visually
Answered by GPT 3.5
- they were discovered within 10 years of each other so roughly at the same time