Question

Which of the following discoveries was not made by an ancient Indian astronomer?

1.The sun is the center of the solar system.
2.The sun is a star.
3.Earth is round.
4.There is a black hole in the middle of the Milky Way galaxy.

Answer 1

Answer: 4. There is a black hole in the middle of the Milky Way

Step-by-step explanation:

I search when these were discovered

Answer 2

Answer: #4

Step-by-step explanation: