Questions tagged [solar-system]
Questions regarding the Sun and objects orbiting it.
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Does the Oort Cloud lose mass with time?
Can blocks of ice escape from the Oort cloud and away from the solar system forever?
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Motion of solar system around Milky Way
As our solar system performs its +-230 million year lap around the Milky Way, is the orientation of the ecliptic plane preserved independent of the center of our galaxy, or does the plane perserve its ...
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Why is Mercury's orbit so unusual?
Mercury's orbit has the most eccentricity, 0.2, of all the planets. And this orbit is also the most inclined relative to Earth, 7 degrees. Edit: And to the invariable plane, it is inclined 6.35 ...
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A solar system of solar systems
The moon orbits Earth, earth orbits Sol. It's true that Sol orbits the galactic center, but that's not what this question is about.
Is it possible for a solar system like the Sol system, along with at ...
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Does the Sun have different unique orbits around barycenters?
After reading this question and seeing its image I thought about this question I'm going to publish.
Does the Sun have different unique orbits around the barycenter for its multiple planets?
If yes, ...
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Cooling the early earth
My son had this theory that the icy comets cooled the hot earth during the late heavy bombardment. What do we know about this cooling effect on the early evolution of the earth? He intended his theory ...
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What secondary and tertiary conclusions can be drawn from the temperature characteristics of lunar soil sent by ISRO Chandrayaan 3?
ISRO Chandrayaan 3 released the following data today about the temperature characteristics of lunar soil.
What secondary and tertiary conclusions can be drawn it?
More specifically, what may be the ...
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What determines the edge/boundary of a star system?
According to Education.nationalgeographic, "A star system is a group of planets, meteors, or other objects that orbit a large star. While there are many star systems, including at least 200 ...
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Are the rotational axes of Earth and Mars parallel?
So I was stuck on a question involving the transformation of coordinates from geocentric to Mars-centric coordinates. The relative position of Mars and its orbital details are given. I thought that we ...
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What is the "structure" of the Solar System while traveling through Space?
On the Image above, the arrows pointing upwards depict Solar System's travel direction. The arrows pointing to the right show its own direction of rotation and the direction of the planets within it ...
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What would happen if Venus and Earth collided?
The first thing we would need to consider is that Earth has already been hit by a protoplanet half its size 4.5 billion years ago, meaning the Earth may have a chance of staying intact after the ...
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Are dust-dust collisions necessary to explain Kordylewski clouds at Earth-Moon L4/5? Aren't the cross-sections, number density timescales too small?
The recent question Can dark matter accumulate at Lagrange points? mentions Kordylewski clouds and that article begins:
Kordylewski clouds are large concentrations of dust that exist at the L4 and L5 ...
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Why does the tropical year have a ~161 years cycle?
Using PyEphem, I calculated the time difference between consecutive summer solstices in the south hemisphere for the last 4000 years, and plotted them in a graph. It seems like random noise around the ...
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Did liquid helium help the solar system to form by cooling the nebula that collapsed to form it?
Was the gas cloud that collapsed to form the solar system cooled by liquid helium at some point in time? I ask because the Cosmic microwave background had a temperature around 3K when the solar system ...
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Where can I get raw photos of planets clicked by HST, Voyager 1 and 2, Cassini for Saturn and Galileo for Jupiter?
I intend to process RAW images of planets clicked by HST,Voyager 1 and 2, Cassini and Gallileo spacecrafts using a few softwares.
I am in search of where I can get these raw images from.