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					 Which planets do not have satellites revolving around them ?
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                        -   Mars and Venus
 
-   Mercury and Venus
 
-   Mars and Mercury
 
- Neptune and Pluto
 
-   Mars and Venus
Correct Option: B
Of the nine planets, only Venus and Mercury have no known natural satellites. A total of 139 moons, or natural satellites, can be found in the vast solar system.
 
	