All Questions
Tagged with weather atmosphere
13
questions
9
votes
2
answers
167
views
Is there an atmospheric pressure model for Mars that takes different temperatures and seasons into account?
Credit: NASA/JPL-Caltech.
Above are the pressure data from Curiosity's REMS sensor for the first 200 sols at Gale crater.
At about sol 170 Mars was at perihelion and a month later it was southern ...
- 7,535
4
votes
3
answers
471
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How long would astronauts' footprints on Mars persist?
The Apollo astronauts' footsteps can remain theoretically forever on the Moon as it has no atmosphere. Mars does have an atmosphere but a very thin one. Its pressure ranges from 72 Pa (0.0104 psi) on ...
- 389
0
votes
1
answer
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How many planets have had their limbs scanned with radio signals?
This answer to When did planetary scientists realize Venus' surface pressure was almost 100x that on Earth? How did they find out? describes one example of scanning the limb of a planet using ...
- 149k
70
votes
4
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Why did it take so long to notice that the ozone layer had holes in it? Which satellite provided the data?
Wikipedia says:
The discovery of the annual depletion of ozone above the Antarctic was first announced by Joe Farman, Brian Gardiner and Jonathan Shanklin, in a paper which appeared in Nature on May ...
- 149k
22
votes
5
answers
4k
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Does upper atmosphere rotate with earth?
Basic question that I should know the answer to but sadly don't.
The lower atmosphere must rotate with the earth because of friction---at least the very bottom of it.
But what about 30 miles up? There ...
user36480
16
votes
1
answer
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Would the national flag planted by astronauts on Mars need an upper horizontal pole like the ones on the Moon?
Due to the lack of an atmosphere on the Moon, the Apollo lunar flags had an upper horizontal pole in order to make them fully hoisted, looking like floating in the wind. Now Mars does have an ...
- 2,243
7
votes
2
answers
679
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How does InSight measure wind speed?
According to this answer to How can I find a daily record of the temperature on Mars? the weather at the InSight lander can now be seen online at https://mars.nasa.gov/insight/weather/ This includes ...
- 149k
13
votes
1
answer
517
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Are there microclimates with better weather conditions on Mars?
On Earth, a microclimate mostly refers to an area which differs from the surrounding areas in temperature or humidity.
And what about Mars ?
Are there places with atmospheric conditions that are less ...
- 7,535
8
votes
1
answer
397
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How much does pressure on Mars change with weather?
A great answer about the Mars atmosphere and water triple point shows there is a region on Mars where clean liquid water slightly above 0°C can exist on the surface. I still wonder, though, how ...
- 55.1k
6
votes
1
answer
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Has an astronaut ever seen pixies, ELVEs, sprites or blue jets (without a camera)?
The NASA Science video ScienceCasts: A Display of Lights Above the Storm shows several examples of Transient Luminous Events (TLEs) (Upper Atmospheric Lightning) being filmed by high-sensitivity ...
- 149k
12
votes
1
answer
598
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Does Venus have doldrums or horse latitudes (latitudes with lower winds)?
Because of all the heat fueling convection cells, Venus has some brisk winds especially in the upper atmosphere (up to 370 km/h).
I realize the winds are quite slow at the surface, but are there any ...
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10
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2
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654
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Does the Venusian atmosphere's "super rotation" actually rotate?
The atmosphere of Venus contains strong winds and is said to have a "super rotation" because the atmosphere (above a certain altitude) moves faster than what the ground does.
No one can ...
- 16.4k
12
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2
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Do we have instruments that can measure the depth of storms like the Great Red Spot on Jupiter and the Great Dark Spot on Neptune?
I understand if technology isn't quite there yet. If it isn't, is there any research being developed along these lines?
I'm trying to wrap my head around the composition of these planets, and the ...
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