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The Role of Spectroscopy in Extragalactic Astronomy

Question 1 of 15

What is the primary role of spectroscopy in extragalactic astronomy?

  1. To study the chemical composition of stars and galaxies.
  2. To measure the distance to galaxies.
  3. To determine the age of galaxies.
  4. To detect the presence of black holes.

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000