Who of the following discovered the laws of planetary orbits?
A. Galileo Galilei
B. Nicholas Copernicus
C. Johannes Kepler
D. Isaac Newton
Answer: Option C
A. Galileo Galilei
B. Nicholas Copernicus
C. Johannes Kepler
D. Isaac Newton
Answer: Option C
A. Earth and Jupiter
B. Jupiter and Saturn
C. Saturn and Earth
D. Saturn and Neptune
A. Contracted star with intense gravitational pull
B. Star with very low surface temperature
C. Star with no atmosphere
D. Pulsating star
Messenger satellite has been launched by NASA for the study of
A. Mercury
B. Venus
C. Saturn
D. Jupiter
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