Brain Post: Areas of Canada are “Missing” Gravity | Canadians Have Been Cheating…

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Canadians are cheating. photo: kevin kolosky
Photo: Andrew Strain. Check out more of Andrew’s photographic evidence of low Canadian gravity: AndrewStrain.com

In the 1960’s, scientists started charting the Earth’s gravitational field.  They were looking for inconsistencies.

They found what they were looking for.  It was discovered that Earth’s gravitational field varied quite a lot.  

Where the Canadians are cheating
Where the Canadians are cheating

In Canada, they found areas that were “missing” gravity.  The Hudson bay is highlighted as a zone in Canada where gravity is much weaker than other parts of Earth.

(Maybe this drop in gravity caused the mutiny of against explorer Henry Hudson. Hudson, his son, & loyal crew members were set adrift in Hudson bay by mutineers in 1611)

John Collier's painting of Henry Hudson with his son and some crew members after a mutiny on his icebound ship. The boat was set adrift and never heard from again.
John Collier’s painting of Henry Hudson with his son and some crew members after a mutiny on his icebound ship. The boat was set adrift and never heard from again.

Two theories have been brought to light.:

1.  Convection:  Convection pulls the Earth’s continental plates downwards, which decreases the mass in that area & decreases gravity.  Convection is thought to be occurring in the Hudson Bay area.

2.  Ice Sheet:  The Laurentide Ice Sheet melted 10,000 years ago.  It left an enormous indent in the Earth which is suspected to mess with gravity.  That large indent is in the Hudson Bay zone.

The latest 3D chart of Earth'sgra
The latest 3D chart of Earth’s gravitational field.  See how it’s lumpy.  The bigger the bulge, the more gravity in that area. See the dent in Canadia?

Regardless of how this happens, it’s very interesting that it’s happening.  It’s also now clear that the Canadians have been using this to their advantage in snowsports for years.

Alexandre Bilodeau was the 1st Canadian to win Olympic gold on Canadian soil. Was he cheating?
Alexandre Bilodeau was the 1st Canadian to win Olympic gold on Canadian soil. Was he cheating?

 We’d love to see an NBA basketball game played there to see if the difference is really noticeable.

Learn a lot more about Earth’s Missing Gravity:  howstuffworks.com

 


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5 thoughts on “Brain Post: Areas of Canada are “Missing” Gravity | Canadians Have Been Cheating…

  1. Show me facts. Where’s your references? My uncle was an engineer and scientist before retiring. The one thing he kept telling me was this,” I don’t care what people tell me. I look at what the data tells me.” It bolsters and backs up what you say.

  2. do precise weights, standards, weigh differently in weak zones? would the discrepancy show on a precise scale? is gravity created by mass (within the earth)? I heard a submarine has so much mass that it has a gravitational field, like sufficient to pull on a compass needle.

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