In December 1999, a planet circling another star outside Earth's solar system was discovered by

Options :
  1. Edmond Halley and Carl Sagan
  2. Edwin Hubble and William Herschel
  3. Ptolemy and Tycho Brahe
  4. Marcy and Paul Butler


Answer and Explanation :-

Answer: Option 4

Explanation:

Actually it is a bloated gas giant ball as big as Jupiter but weight only 63% of Jupiter.

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : The ruins of Troy-city whose citizen fought a ten-year war with Greece were discovered by

Next Question : Teletouch system was invented in

Click here for online test on Discovery & Inventions

Responses


 (Getemail alerts when others member replies)







If you think something is missing in your life, it is probably YOU...
-Robert Holden