Actually if you think about it the expanding earth theory would point you toward a reason for why the seashells would be on mountains in the middle of continents. If the earth was smaller way back when then the oceans would have no place to go but into where the continents are now. If the earth was small enough (and it wouldn't take much) the oceans would flood up and over some mountains. As the Earth expanded the oceans would receed to their current levels/areas.
Also just because you're using an expanding earth theory does not meant that tectonics somehow goes right out the window. Even with an expanding earth there are still huge slabs of continent that need float on mantle that need to go someplace. As the earth expands they will break apart and move as they have been.
Other planets and moons in the solar system show extremely strong evidence for expansion and contraction. Contrary to what some people would have you believe the earth is a planet that follows the same laws as the other ones do.
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Originally Posted by Sun Tzu
NASA's mission to send a landing probe on Europa and have it drill through the ice layer (if its as thin as some speculate) seems to have been put on a back burner. Ive been trying to understand why everything is focued on the Ares rocket. The VASIMR technology is said by many to be the next step, instead NASA seems to be going backwards. VASIMR has its critics, but there are a large amount of propulsion experts that see Ares as nothing new, except the higher price tag.
The probe wouldnt require a human operator though, I dont know why it has been set aside.
I hope to see a Mars expedition in my lifetime. Even a moon expedition, the last happend before I was born.
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The reason this kind of stuff has been pushed aside can be summed up with 1 name: Bush. Bush changed the priority of NASA to get us to the moon and then to Mars. Thats what the "new" rocket is for. If you're not a program that supports that (mars or lunar lander) you're pretty much not gettin' squat.
I've been waiting for a Europa lander for my whole life. I guess its gonna be another 20-40 years.