Could Earth Lose its Orbit and Face Destruction?

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The discussion centers on the potential future of Earth, particularly regarding its orbit and the possibility of destruction. Predictions suggest that Earth may face significant changes due to the sun's evolution into a red giant in about 5 billion years, which could lead to the planet's demise. Additionally, the Milky Way's collision with the Andromeda galaxy in approximately 2 billion years could alter Earth's position, though the likelihood of a catastrophic collision is deemed low. Concerns are raised about the effects of increasing solar energy on Earth's environment, including the end of photosynthesis and plate tectonics, potentially leaving life with only a few hundred million years left. Overall, while Earth is expected to remain in orbit until the sun's death, the conditions for life may deteriorate long before that.
  • #51
OK. Fun's over. You have been shown where your errors are, given quotes in fact. The onus is on you to see the errors.


This thread needs to be rolled back to fix the misstatements.
 
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  • #52
Andre said:
Regardless of the claims made here, note that conservation of momentum (Newtonian) is only happening in a closed system, not affected by external forces. However bodies in a solar system are subject to gravity and can exchange momentum by gravitational forces,

That's not exactly true. Momentum is conserved - period. If it seems to be not conserved it means something outside gains momentum.

However, many of the systems we are talking about are pretty well described as closed. Conservation of momentum is a reason why Moon is getting (on average) further and further from Earth. Compare http://en.wikipedia.org/wiki/Tidal_acceleration#Angular_momentum_and_energy
 
  • #53
AtomicJoe said:
You made this statement I believe:-

"You are badly misinformed about the physics of heavenly bodies; every statement you've made demonstrates this."You have not provided any quotes to back it up either?

Can you quote one just wrong statement I have made?

We can move on to the rest after that.

Ok here's some examples

The Earth will gradually disappear out of the solar system as tidal power saps it's orbit energy. Thus it will become a frozen block of ice.
Either that or spiral into the sun, I didn't do the maths because the result is the same, death.
If we are lucky we might get hit by another stray planet to put some more energy back into the orbit, but don't rely on it.

You make the statement that "tidal power saps it's orbit energy" but this is not true.

The kinetic energy of the earth.We are using that energy up

The Earth is like a generator, it is using it's kinetic energy for power.

As it revolves the energy is turned into currents in the Earth's core.

This energy is not for free, otherwise you have a perpetual motion machine machine.

No it is sapping energy from the earth, slowing it down and causing it to slow down, it's orbit
to decrease and for it to warm up as it plunges, eventually into the Sun.

Basic physics really, is it not?

We are not sapping the kinetic energy of the Earth at all, the Earth's spin does not change it's kinetic energy. The link you provided was to a forum, not any kind of peer-reviewed research

Oh yes it is (claiming the Earth's spin creates it's magnetic field)

The Earth's magnetic field is generated by it's molten core, not it's spin
 
  • #54
AtomicJoe said:
Can you quote one just wrong statement I have made?

Here's a few:
AtomicJoe said:
Yea tidal energy comes from the Earth's orbit (obviously).

As we take energy the planet loses it, it get slower and spirals into the sun.

Here you ignore the moons own momentum and assume it is all from the earth.
AtomicJoe said:
The kinetic energy of the earth.
We are using that energy up.

I'll assume by "we" you don't mean us as humans - otherwise, if you do it's complete rubbish.
AtomicJoe said:
Well it is pretty simply isn't it, I am not sure what the trouble is.

The Earth is like a generator, it is using it's kinetic energy for power.

As it revolves the energy is turned into currents in the Earth's core.

No it is sapping energy from the earth, slowing it down and causing it to slow down, it's orbit
to decrease and for it to warm up as it plunges, eventually into the Sun.

Basic physics really, is it not?

Well, everything there.
AtomicJoe said:
Oh yes it is.

And indeed I have.

The science is right and the evidence backs it up.

All of this is non-sense (you are claiming the Earth's rotation turns the core of the earth).
AtomicJoe said:
The Earth is not in free-fall it the true sense of the word, there are forces acting on it.

Also I don't think compression heat is a source of energy really it's just heat.

Heat isn't energy?
AtomicJoe said:
It's kinetic energy is being converted into electricity.

Again, this comes back to your previous orbit - core issue above.

Shall I continue?

EDIT: ryan was there before me.
 
  • #55
Y'all might want to hold off on writing long posts at this point. The thread is up for review.
 
  • #56
DaveC426913 said:
Y'all might want to hold off on writing long posts at this point. The thread is up for review.

Up for review? It should be put against the wall and shot.
 
  • #57
JaredJames said:
Up for review? It should be put against the wall and shot.

Nailed.
 
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