when were galaxies discovered to be large separate structures in the universe???

Answer: 1923
Question: what are the three sites on the ribosome?

Answer: E site
Answer this question: when was the ferris wheel in london built??

March 2000
Q: where is the world’s highest post office located?A: Hikkim village
Input: where did the tree for rockefeller center come from this year?

Output: State College, PA
Answer this question: who was the first european to reach china??
A Roman diplomat or merchant