Gaseous layer around a planet, dwarf planet, or a star.
-2
votes
2answers
31 views
What processes occur when a meteor enters the atmosphere?
What processes occur when a meteor enters earth's atmosphere and then what will be speed of meteor when it encounters air resistance?
5
votes
1answer
84 views
Atmospheric Circulation
What is the simplest simulatable model giving our rotating earth its 3 circulation cells (Hadley, Ferrel, Polar)?
The model should also show 1 circulation cell if the earth's rotation were stopped (or ...
-2
votes
1answer
192 views
For how long can we make an air balloon stay flying via remotely controlled heat system?
I wonder how a function $$f=f(h, m_{\mathrm empty}, V_{max}, T_{h}), $$ with the top height $h$, the empty mass $m$, the maximum volume $V_{max}$, and the temperature of the heater $T_{h}$ would look ...
3
votes
0answers
36 views
Special conditions at layer F2 ionosphere
I saw this graph about the electrons density in different altitudes and difference between night and day, the difference between the 2 electron densities (day and night) decreases till 300 Km (F2 ...
2
votes
0answers
24 views
Surface UV exposure with cooler star
If the sun's surface was ~ 4000K (and earth closer to compensate), the UV component of the radiation would be less. However, UV makes ozone via photolysis of oxygen. Also, the stratosphere would ...
2
votes
0answers
74 views
Jupiter: Zonal Jets in opposite directions
I recently read that the Great Red Spot arises from the shear instability of zonal flow from zonal jets travelling in opposite directions.
Is there any reason why such zonal jets travel in opposite ...
1
vote
0answers
18 views
virtual air-surface temperature difference above a water body
I'm trying to work through the equations for the following paper:
http://onlinelibrary.wiley.com/doi/10.1029/2009JD012839/abstract
and am trying to understand the concept of virtual air temperature, ...
1
vote
0answers
65 views
What is the critical mass of a planet to have an atmosphere like Earth's?
Small planets/orbits like Moon cannot have atmosphere because of their masses. They don't have enough gravity to hold an atmosphere. Then what is the critical mass that makes enough gravity to keep an ...
0
votes
0answers
15 views
simplification of bulk algorithms for surface fluxes
Im trying to calculate the surface heat fluxes from bulk algorithms following the methods defined in Renfrew et al., (2002)
A Comparison of Surface Layer and Surface Turbulent Flux Observations
...
0
votes
0answers
36 views
Term for “atmospheric ricochet” due to wrong “angle-of-attack”
I watched "Apollo 13" yesterday, and they had the "angle-of-attack" problem that had to be manually solved, to prevent the ship from "ricochet[ing] off the atmosphere like a rock skipping off a pond".
...
