All Questions
7
questions
2
votes
1
answer
83
views
How does the excess GPE of a mountain cause its base to melt?
Weisskopf suggested that the Gravitational Potential Energy (GPE) of a vertical column of mountain rock of mass $m$ must be less than the latent heat of fusion $L_f$ of the rock, i.e. $$mgh<η L_fm ...
- 605
-5
votes
1
answer
101
views
Can the four Seasons of planet Earth be defined in terms of Energy? [closed]
Can the four Seasons of planet Earth be defined in terms of Energy?
The definition of Energy gotten from Google is:
ability to do work, which is the ability to exert a force causing displacement of ...
- 11
-1
votes
1
answer
58
views
Potential effect of another "year without a summer" on solar-powered society? [closed]
In the "year without a summer", a volcanic eruptions caused enough sunlight to be blocked for average global temperatures to drop by 0.4–0.7 °C. What would be the effect of this sort of event on a ...
- 313
14
votes
6
answers
4k
views
Is nuclear power desireable in the long term, given the fact that it's an unnatural heat input to our planet? [closed]
I've been reflecting on whether we want nuclear at all in the long term (compared to renewables like wind, solar, and hydro). There's a certain amount of heat (energy) entering our planet and leaving ...
- 313
2
votes
2
answers
898
views
Does radiating heat to outer space through the atmospheric transparency window have any impact on heat loss?
I was reading this article: Passive radiative cooling below ambient air temperature under direct sunlight
The authors are improving upon the age-old idea of reflecting incoming sunlight while ...
9
votes
7
answers
5k
views
How does heat actually stay kept in the carbon molecules in the atmosphere? [duplicate]
We have all learned that the earth is getting heat up because of the CO2 and CO molecules absorbing heat. However, how is heat actually kept in those molecules. When photons heat them up, their ...
17
votes
3
answers
3k
views
Is the total energy of earth changing with time?
Many years ego, Earth was hot. Over time, it has lost energy and has become colder. Is it now in equilibrium or is its total energy changing?
- 4,194