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The Controversies of Exoplanet Research

Question 1 of 5

What is the main controversy surrounding the definition of an exoplanet?

  1. Whether or not a planet should be considered an exoplanet if it is not orbiting a star.
  2. Whether or not a planet should be considered an exoplanet if it is not within the habitable zone of its star.
  3. Whether or not a planet should be considered an exoplanet if it is not massive enough to sustain a rocky surface.
  4. Whether or not a planet should be considered an exoplanet if it is not tidally locked to its star.

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