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Results tagged with planetary-science
Search options questions only
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user 12102
The study of planets, asteroids, comets, etc, including weather, geology, composition, etc. This tag should be used when the focus of the question is on the the science of a non-Earth non-star natural object, and not used when designing spacecraft to cope with said challenges.
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Would it be possible to "ride the wave" on Venus?
Update: Newly published paper in Nature Geoscience Atmospheric mountain wave generation on Venus and its influence on the solid planet’s rotation rate has open-access links in Science News, Motherboar …
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15
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Where to find the best values for standard gravitational parameters of solar system bodies?
Where can I find the best values to use for standard gravitational parameters of solar system bodies for numerical simulation experiments?
Here are two sets I've put together. The first set is from W …
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BBC: "In 2009 Prof McDowell & other astronomers performed an experiment in which a similar-s...
The line following the title of BBC's Elon Musk SpaceX rocket on collision course with moon reads:
A rocket launched by Elon Musk's space exploration company is on course to crash into the Moon and e …
- 151k
12
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How tall are Pluto's mountains? Are they the tallest ice features in the Solar System?
See also Just how steep are Pluto's tallest ice mountains?
The Gizmodo article It Looks Like Pluto Has a Liquid Water Ocean shows a large image of Pluto with obliquely lit peaks near both the terminat …
- 151k
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How "locked" are Pluto and Charon? How much does each librate as seen from the other?
Discussion below Are all or some geostationary satellites tidally locked to the Earth? got me thinking about Pluto and Charon. According to Wikipedia:
Charon and Pluto orbit each other every 6.387 da …
- 151k
12
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3
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535
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How brightly does Venus's hot surface glow at night? Could you see it? Could you see well en...
NASA's Parker Solar Probe Captures its First Images of Venus' Surface in Visible Light, Confirmed links to the new Geophysical Research Letter Parker Solar Probe Imaging of the Night Side of Venus.
Th …
- 151k
11
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How hard is the hardest ice in the solar system? Is it in Pluto's ice mountains?
NPR's Pluto Has White-Capped Mountains, But Not Because There's Snow includes the following:
"Initially, it seemed logical that this high-altitude frost could form like on the Earth," says Tanguy Ber …
- 151k
8
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How were Mars' zero elevation datum defined? What are their shapes?
Discussions on Boiling ponds and pools on Mars? led me to Wikipedia's Mars; Geography and naming of surface features which says:
Because Mars has no oceans and hence no "sea level", a zero-elevation …
- 151k
8
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Roughly, how much of our Moon's apparent libration amplitude seen from the Geocenter is due ...
My understanding is that when tidal locking of a body first happens it transitions from a state where the average rotation period is faster than the orbital period to a state where they are the same o …
- 151k
7
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Has Mars quaked yet? Any scientific speculation when it might?
We have lots of questions about the Mars lander InSight's seismometers, and I remember reading that they have detected microseisms from wind blowing over InSight's solar panels and the surface of Mars …
- 151k
7
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What's the scientific evidence of water for return trip methalox on Mars?
EDIT: I am not asking if you think finding water is necessary for a return flight. I'm asking for the scientific evidence that there is mineable water on Mars that could be used for this purpose. Plea …
- 151k
7
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2
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Difference between "mafic floor" and "olivine-bearing floor" in Jezero crater? (Perseverance...
Figure 3: Main geologic units within Jezero crater shown on a basemap constructed from images from the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbi …
- 151k
7
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1
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How do they know the sub-surface radar reflections (potential underground ice or "lakes") on...
Gizmodo's NASA Scientists Find More Subsurface Lakes on Mars links to Characteristics of the Basal Interface of the Martian South Polar Layered Deposits (paywalled, but there is this 52nd Lunar and Pl …
- 151k
7
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How are marsquake epicenters determined using only one seismometer?
This tweet says:
Cerberus Fossae is the first active seismic zone ever discovered on Mars. Located about 1,600 kilometers east of @NASAInSight lander, this huge extensive tectonic structure was th …
- 151k
7
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Just how steep are Pluto's tallest ice mountains?
This answer to How tall are Pluto's mountains? Are they the tallest ice features in the Solar System? is worth a read and an upvote and says they are upwards of 3,500 meters and most likely water ice! …
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