All Questions
8
questions
4
votes
1
answer
950
views
Energy needed to stop the Earth's inner core ---and its effects?
As you will most possibly know, a misreading of this paper by the media caused kind of a "panic" about how the Earth's inner core had stopped or even reversed its rotation and its "...
- 49
3
votes
2
answers
135
views
On the Melting of the Arctic Ice [closed]
I have read that:
Polar ice caps are melting as global warming causes climate change. We lose Arctic sea ice at a rate of almost 13% per decade, and over the past 30 years, the oldest and thickest ice ...
- 231
27
votes
6
answers
16k
views
Does gravity get stronger the higher up you are on a mountain?
So I saw this article stating that gravity is stronger on the top on the mountain due to there being more mass under you however I have read some questions other people have asked and most of the ...
45
votes
10
answers
12k
views
Why can't the Earth's core melt the whole planet?
Earth core temperature is range between 4,400° Celsius (7,952°
Fahrenheit) to about 6,000° Celsius (10,800° Fahrenheit).
Source
Why can't the Earth's core melt the whole planet? In other words, what ...
- 567
4
votes
1
answer
238
views
Would a 1km edge length solid tungsten cube sink through the Earth crust?
This question was inspired by this question on worldbuilding SE. Suppose you have a giant cube with $1$km edge length made out of pure tungsten and you put it somewhere on the ground. This is the size ...
- 163
3
votes
1
answer
221
views
If the Earth stopped spinning, how long would it take before it had gone from oblate to roughly spherical?
I know that because of the centrifugal force of earth's spin, it is not entirely spherical. According to wikipedia, earth's equatorial bulge is roughly 43 kilometers. So how long would it take for the ...
- 141
9
votes
4
answers
9k
views
Why doesn't the heat of the Earth's core diffuse to the surface?
The Earth has a crust, mantle, outer core and the inner core with each one getting hotter than the next. How come, over millions and millions of years, the heat that is at the center of the Earth hasn'...
- 309
2
votes
1
answer
140
views
Is it possible to 'push' a path to the Earth's core?
This may very well be a question for Earth Science SE, but as it is very hypothetical, maybe pure physics is more appropriate...
Question:
Imagine we have have a wedge that tapers down into an ...
- 131