The multi-disciplinary study of the geomorphology, geology, chemistry, meteorology, oceanography, hydrology, astronomy and astrophysics of the planets and other objects within the solar system.
Questions tagged [planetary-science]
148 questions
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Why are impact craters radially symmetric?
Okay, so I believe that most of the impact/collisions happen at oblique angles to the planet's radial direction. (I am not very sure about this, but since it is not a freefall, we can assume that the collision is oblique).
So why are most of the…
Prithvi Thakur
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4
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Which markers could suggest that there was extinct or extant life on Mars?
Researchers who are involved in study of life on Mars are saying that there might be multicellular life present on Mars, today or in the past. Which traces, markers or environments on Mars could support this hypothesis and how it will be…
saurabh shukla
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4
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What would happen if you hypothetically happened to touch an aurora
I think that if you touch an aurora it will give you radiation damage? But then the solar winds at -90C would freeze you, so speaking metaphorically what would happen?
Artamias
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3
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1 answer
Why are there no tholins in the inner solar system?
There’s plenty of carbon dioxide and radiation throughout the solar system, why is it a phenomena only associated with the outer planets?
Andykins
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3
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How do subsurface oceans form under a rocky crust?
New data about Ceres has just been released. Raymond et al. (2020) show the existence of gravity anomalies interpreted as low density pockets of brine under the crust. They show how impacts can trigger eruption of this brine onto the surface.
I…
Jean-Marie Prival
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3
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Would a nuclear explosion over one of the Earth’s magnetic poles momentarily disrupt/weaken the Earth’s magnetic field?
If say the Tsar Bomba had been detonated directly over one of the Earth’s magnetic poles at ground level, would the nuclear electromagnetic pulse generated from that blast have had any momentary effect on the strength of Earth’s magnetic field?
If…
user57467
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what is the role of absence of land in south atlantic ocean cyclone formation
sir do absence of land plays role in formation of cyclone in south Atlantic ocean and east pacific ocean
kumar navin
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Will Venus eventually overheat? When it happens, what will happen to it exactly?
Venus is a runaway greenhouse planet, so it won't let any of the heat absorbed from the Sun out by radiation, yet it will still take rays of energy from the Sun. So what will happen to Venus? Will it overheat? And if it will overheat, what will…
Deha Ortasarı
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Similarity of seasons on Neptune and Earth
We all have basic ideas about planets and their seasons..But my question is that why do NEPTUNE and EARTH have similar seasons although their compositions are completely different..On earth Nitrogen dominates the atmosphere while on neptune Hydrogen…
saurabh shukla
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0
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Stars twinkling
What is the science behind the vigorous glow of stars ? Since 2 days I was observing one of the stars in blue and red colour I just want to know what is the speciality of that star?
NAGA SUBRAHMANYAM
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Is there another explanation than an asteroid/volcano for the extinction event on Earth millions of years ago?
This idea keeps on appearing in my mind, once in a million years the Sun's gravity will pull Earth near and eliminate every living in the earth due to the increased heat, and in another million years it pushes Earth far away and creates a frozen age…
Se0ng11