Will we ever get to the center of the earth?

In summary, the conversation discusses the possibility of reaching the center of the Earth using machines. The density and pressure of the rock at the core is a major challenge, with estimates placing it at over six times that of the crust. The heat and pressure would make it difficult for any machine to withstand the conditions and reach the center.
  • #1
mrfeathers
6
0
ok so here's my theory. i know that the center of the Earth is the most dense spot on the planet, ant that is why it is "molten lava" because the particles are moving so fast. So even if we had machines that could withstand the heat, wouldn't we not have a machine powerful enough that is capable of drilling through the rock because it is so incredibly dense?
 
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  • #2
*watches The Core*
 
  • #3
I doubt the density of the rock would have much to do with it. Rock of itentical make-up at the core should be similar in density to rock on the surface. For example, 33 feet below the surface of the ocean, pressures are 2x surface pressures. But if you skin dive down to the bottom, pick up a rock, bring it to the surface and measure it, it's density would be virtually indistinguishible from a surface rock. Rock is not compressable like air.

Also, as you get deeper, gravity gets less. This may cause less pressure.

Design your machine for heat.
 
  • #4
tony873004 said:
I doubt the density of the rock would have much to do with it. Rock of itentical make-up at the core should be similar in density to rock on the surface. For example, 33 feet below the surface of the ocean, pressures are 2x surface pressures. But if you skin dive down to the bottom, pick up a rock, bring it to the surface and measure it, it's density would be virtually indistinguishible from a surface rock. Rock is not compressable like air.

Also, as you get deeper, gravity gets less. This may cause less pressure.

Design your machine for heat.

While rock is not as compressable as air, it is compressable. Estimates place the density of the center of the Earth at 13 g/cm^2, over six times that of the crust.

The biggest problem would be pressure, at 3.5 million atmos. It doesn't matter that the local gravity decreases with depth, you still have all the weight of the rock above you pressing down on you.
 
  • #5
tony873004 said:
Also, as you get deeper, gravity gets less. This may cause less pressure.

The pressure increases as one travels toward the center of a planet, because gravity is pulling down the mass of material from above.

Pressure is approximately 350 GPa at the center of the Earth = 3 454 231. atm or 50 742 660 psi.

1 atm = 760 mm Hg = 760 torr = 14.69 psi = 1.013251 x 105 Pa at about 25°C.

Furthermore, estimates on the temperature at the center of the Earth are in the range of 5300 - 7300 K. Graphite sublimates at about 3705°C (3978 K), but in the center of the earth, the graphite might dissolve into the surrounding metal. HfC has a melting temperature of 3888°C (4161 K), which is still below the above range.

See - Temperature at the Center of the Earth
 
  • #6
mrfeathers said:
ok so here's my theory. i know that the center of the Earth is the most dense spot on the planet, ant that is why it is "molten lava" because the particles are moving so fast. So even if we had machines that could withstand the heat, wouldn't we not have a machine powerful enough that is capable of drilling through the rock because it is so incredibly dense?

Even though the core is hot enough for it to be molten, it is under such high pressure that it is actually solid.
 
  • #7
I don't think we will ever reach the center of the earth. Even if we made a machine that could withstand the pressure, I think it would probably melt. And if it didn't, the people inside would unless there was some kind of cooling system. Even then the probability of reaching it wouldn't be very high.
 

1. How deep is the center of the earth?

The center of the earth is approximately 6,371 kilometers deep. This is the distance from the surface to the center of the earth, also known as the earth's radius.

2. Is it possible for humans to reach the center of the earth?

No, it is not currently possible for humans to reach the center of the earth. The deepest humans have ever gone is about 12 kilometers, which is only a fraction of the distance to the earth's center.

3. What kind of challenges would we face if we tried to reach the center of the earth?

There are several challenges that would make it extremely difficult, if not impossible, to reach the center of the earth. These include extreme heat and pressure, lack of oxygen, and molten magma. Additionally, the earth's crust is constantly moving and shifting, making it hard to drill through.

4. Are there any ongoing scientific efforts to reach the center of the earth?

No, there are currently no scientific efforts to reach the center of the earth. Scientists have focused their efforts on studying the earth's interior through indirect methods, such as seismic waves and satellite imagery.

5. What have we learned about the earth's interior without physically reaching the center?

Through various scientific methods, we have learned a great deal about the earth's interior. For example, we know that the earth's core is made up of iron and nickel, and that the mantle is composed of hot, semi-solid rock. We have also gained insights into the earth's formation and plate tectonics by studying its interior.

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