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Our Earth is Growing?!

6th of Mar, 2007ce* in: blog

Something I have always been curious about, as I’ve never really believed how Tectonic Plates follow the Pangea theory (that plates drift).

Even since a child in my Geography class, I thought something was up so I raised it with my teacher “Mr Hankins”. I must have been about 13 years old.

Science has a habit of holding onto ideas that just don’t make sense. I think this is a perfect candidate for letting go. It also neatly explains how dinosaurs got so big, combining a smaller earth with less gravity would easily let them swell to gargantuan sizes. (although this is not mentioned in the video.)

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noise (5)

Dusteh, Thursday, March 8, 2007, 18:25

Where would all the water come from? Why would we see the characteristics of tectonic plates sinking below others? Surely they would simply grow on all sides if expanding? Nice try :p

hawken, Friday, March 9, 2007, 10:20

Tectonic plates are still moving around and going under each other in this theory, just not in the Pangea way we are taught at school. I guess they only grow on the weak sides.

The water may have come from the snowball theory, where our Earth was covered with ice 750 million years ago.

The seabed evidence alone is enough to convince me. Scientists should look to combine theories more often ;) It’s worth noting that Pangea is only the best explanation we have currently. Science changes it’s mind all the time.

Matt, Friday, June 8, 2007, 18:44

This makes a lot of sense; I’ve always thought of the earth as a huge ball of hot chocolate (hmmmm). Whenever you’ve got something hot and liquidy in contact with a cooler environment (and space is pretty cold) you get crust forming. If Earth is indeed expanding then what you’d expect to see is new crust forming at the points where the other crust is moving apart, which seems to match what we see. This also explains why we have atmosphere and water, at the points where new crust is forming you’re gonna get evaporation initially before the magma cools enough to become solid, this ‘evaporation’ would result in the release of the gases (held close to the earth by gravity) that form an atmosphere. Venting from volcanic activity would also contribute to this effect.

Why is the earth expanding? The guys voice was a bit too soothing so I did zone out at points and might have missed the explanation :oS Only things I can think of are either that hot things tend to expand and/or the gradual gravitational hoovering of dust and debris from space.

Matt again, Friday, June 8, 2007, 18:55

Thought about it a bit more. Couldn’t it be a cycle of growth and shrinkage. This would still fit but would also explain stuff like mountains, as it shrinks the crust will buckle together, this could also explain why the newer crust under the Pacific is smooth near the rift but increasingly buckled as you move away from the rift; earth grows a bit and new smooth crust forms, then it shrinks a bit and that crust buckles, then it grows a bit again and new smooth crust forms.

the man, Tuesday, January 29, 2008, 3:56

Might be on to something there,,science knows alot but compaired to what is not known,,science knows less then 1% of everything,,which is next to nothing, no offence meant just the truth!