Questions tagged [solar-system]
Questions regarding the Sun and objects orbiting it.
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Chiron ephimeris calculations
I am able to find the current location for 95P/Chiron using swisseph with a simple code but i am interested into trying to calculate longitude crossings including retro etc .. but at first i only ...
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How much mass did the Late Heavy Bombardment add to Mars?
How much mass was deposited on a terrestrial planet during the Late Heavy Bombardment (LHB)?
Is it possible to estimate a reasonable interval, specifically, for Mars?
Could the mass addition to Mars ...
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Why did the dust between the planets disappear during the birth of the solar system?
I'm catching up on my childhood mistakes. One of them was the "nuclear flash", the enormous explosion when the sun ignited. Apparently, this did not happen as the ignition of the sun was a ...
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How to plot right ascension with time of the retrograde motion of mars? [closed]
Measure the right ascension, declination of mars and sun. plot the variation of right ascension with time.
user52968
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How did the temperature of the solar system evolve?
As a child, I've read that stars ignite during a so-called "nuclear flash". I understood this as a very violent outburst of energy from the sun, causing all dust between the protoplanets to ...
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Calculating the absolute magnitude of a solar system body
I am trying to calculate the absolute magnitude of a solar system object, given its albedo, and assuming all of its luminosity comes from reflecting light from the sun. Using $L_{sun}$ = solar ...
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Solar system datasets for exoplanet analogs?
Are there data from the solar system available, that are about quantities we regularly investigate in exoplanet searches?
The only collection I know of comes from this paper: "A Catalog of ...
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The Poynting Robertson Effect
In the Poynting Robertson effect, it says in general, the Poynting Robertson effect is caused by the fact that objects like dust re-emit the light they absorb. Is that correct? Is this effect weak? ...
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How is a Planet's Moment of Inertia Measured Remotely?
In the July 2023 issue of Sky & Telescope there is an article titled Sights Set on Uranus. In that article the following statement is made:
Since the 1930's we've suspected that Uranus and ...
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Have gas or dust or rock accumulated in our solar system on its 20 orbits around the Milky Way?
Also,does the absence of the accumulation of anything large such as rogue planets by the solar system suggest the Milky Way has been orderly and stable for billions of years?
user52681
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Does the Oort cloud have any large holes in it and if not does this mean nothing large has entered the solar system for a long time?
Would holes in the Oort cloud be a record of what has passed through it?
user52681
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What's the reason for the hollow region in Oort cloud?
Can someone please tell what caused the hollow space (pointed by yellow arrow) in the Oort Cloud?
I understand that it is called cloud because the cluster of objects does not align with the major ...
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How was this image of the faculae in the Occator crater obtained?
The picture in question (that I'm asking about) is at the bottom, of this post. Now, did they simply take a picture with reduced light intake? If so how much? 1/2, 1/4 or 1/8 or less? Or did they ...
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Difference in results between JPL Horizons and cspice (rust-spice)
I am calculating the apparent planetary position of planets using the cspice library (I am specifically using rust-spice, which is a wrapper of cspice in Rust).
when I calculate the same values in the ...
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derivation of reduced magnitude of asteroids
I've noticed that there is this parameter called reduced absolute magnitude $V(\alpha)$ and it is defined as below according to the paper by Mahlke et al. 2021 https://doi.org/10.1016/j.icarus.2020....
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