All Questions
Tagged with earth estimation
82
questions
6
votes
2
answers
290
views
Does life erode Earth's mass over time?
Since life converts matter to energy, and there's no natural process that does the opposite (aside from supernovas), does this mean that the mass of our planet is gradually diminishing? I asked ...
- 61
3
votes
3
answers
329
views
Comparison of clocks running at different heights in a gravitational field
I hope this question has not yet been asked. If so then please link me to the answer.
If I build an apparatus which, on flicking a switch, sends a light beam, a distance to a mirror, and reflects it ...
1
vote
1
answer
27
views
Do frame dragging affects falling object?
Imagine there is a tall tower erected at the equator, a pulse of light is beamed from the top of the tower to the ground. Do I need to consider frame dragging? After all the spacetime is being tucked ...
- 13k
0
votes
1
answer
118
views
Can gravity of planets besides Sun and Moon affect tides on Earth?
The tides in some places on Earth are over 50 feet. If the gravity from Venus had a ten thousandth the affect of the Sun and Moon on a 50 foot tide it would make a difference of one twentieth of an ...
- 481
2
votes
1
answer
72
views
Will a man acquire orbit if we suppose Earth is rotating fast enough?
if we consider that the rotation of earth is mush faster (30000km/h), so if a man standing on earth jumps 1 meter above will it acquire orbit if we ignore atmospheric friction
- 21
0
votes
2
answers
83
views
Why can't we feel Earth's acceleration? [duplicate]
The centripetal force on Earth is constantly exposing Earth to the acceleration. Why can't we feel this change of direction?
- 1
4
votes
1
answer
946
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
24
votes
4
answers
5k
views
Why is climate change triggering faster rotation?
On July the 29th 2022, the Earth finished its rotation about 1.5 milliseconds earlier than the entire 24 hours. Scientists link this to climate change, saying that a possible reason could be due to ...
- 1,640
1
vote
1
answer
76
views
Will angular velocity of earth be Affected By this? [duplicate]
If all the humans, animals, and all other beings came together to North Pole of earth, Will it affect the angular velocity Of earth in any means?
- 452
2
votes
2
answers
284
views
What would happen if a teaspoon of neutronium crashed through Earth's atmosphere? [duplicate]
Pretty self explanatory hypothetical. I realize this is probably an impossibility and maybe it'd be more likely to be hit by a small black hole or primordial black hole. I'm just curious, because we ...
- 31
7
votes
1
answer
582
views
What volume would the mass of Earth occupy in the core of the sun?
I was just wondering if anyone had computed this. I read that the pressure in the Sun's core is 3.84 trillion psi. Obviously the mass of an Earth-sized object in the core would be millions of times ...
- 175
7
votes
2
answers
1k
views
The effect of gravitational lensing during the lunar eclipse
During the lunar eclipse, the Moon turns into bloody colour while the shadow of the Earth is casting over the lunar surface. The red hue can be explained by means of the refraction of light and ...
- 670
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 ...
2
votes
2
answers
255
views
What is the difference of gravity between lowest tides and highest tides?
I know tides are due to gravitional gradients so the difference of gravity between places does not need to be big in order to generate tides.
Regardless, what difference are we talking about, ...
- 3,236