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Barnacle Bill (Martian rock)

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Barnacle Bill is a 40-centimetre (16 in) rock on Mars in Ares Vallis. It was the first rock on Mars analyzed by the Sojourner rover using its Alpha Proton X-ray Spectrometer. The encounter occurred during Sol 3 of the Mars Pathfinder mission on the surface of Mars and took ten hours to complete.

Barnacle Bill rock
Sojourner rover next to the "Barnacle Bill" rock
Feature typeRock
Coordinates19°20′N 33°33′W / 19.33°N 33.55°W / 19.33; -33.55
"Barnacle Bill" rock - close-up

Early analysis of data sent from Sojourner led scientists to speculate that the rock was andesite.

The name was inspired in mission scientists by barnacle-like structures on the rock that appeared in transmitted photos.

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Wikimedia Commons has media related to Barnacle Bill (Martian rock).

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Notable rocks on Mars
 
 
 
 
 
 
 
 
Adirondack
(Spirit) 		Barnacle Bill
(Sojourner) 		Bathurst Inlet
(Curiosity) 		Big Joe
(Viking) 		Block Island
(Opportunity) M 		Bounce
(Opportunity) 		Coronation
(Curiosity) 		El Capitan
(Opportunity)
 
  
 
 
    
 
 
Esperance
(Opportunity) 		Goulburn
(Curiosity) 		Heat Shield
(Opportunity) M 		Home Plate
(Spirit) 		Hottah
(Curiosity) 		Jake Matijevic
(Curiosity) 		Last Chance
(Opportunity) 		Link
(Curiosity)
 
 
 
 
 
 
 
 
Mackinac Island
(Opportunity) M 		Mimi
(Spirit) 		Oileán Ruaidh
(Opportunity) M 		Pot of Gold
(Spirit) 		Rocknest 3
(Curiosity) 		Shelter Island
(Opportunity) M 		Tintina
(Curiosity) 		Yogi
(Sojourner)
  M = Meteorite - (
This box:
)


 

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