Questions tagged [astronomy]
Questions on the astronomical applications of Mathematica.
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Only final result from NDSolve
Finally, I started to play with differential equations in Mathematica.
And I have faced the problem, which seems to me so basic that I'm afraid this question is going to be closed soon. However, I'...
Kuba♦
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Mollweide maps in Mathematica
Update
The integration of Healpix into mathematica is now available.
Context
In my field of research, many people use the following package: healpix (for Hierarchical Equal Area isoLatitude ...
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How to speed up plotting with PlotPoints?
I'm plotting an ellipse 1/(1 - e Cos[x]) with e=0.9 using PolarPlot. Taking $x\in[0,2\pi)$, ...
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Orbit followed by a particle around Schwarzschild Black Hole
The following is a equation which describes various possible orbits of a particle around the Schwarzschild black hole spacetime in general relativity. I want to solve it from ...
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Is there a way to get AbsoluteTime to correctly report absolute time differences?
AbsoluteTime supposedly reports the "total number of seconds" between two dates, but it does not. For example, because of the leap second applied at 2012-...
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Using map projections with astronomical data
I noticed that all important "Geoprojections" are available in projections for a spherical reference models: GeoProjectionData function;
1 - I am trying using the sinusoidal projection for ...
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How do I compute sidereal time and JD?
There was once a package that provided a wide range of functions for computing astronomical information. This package now appears to be out of date; but as near as I can tell, many of the useful ...
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Speed up NDSolve compared to Python (calls to LSODA)
I migrated a numerical model code from Python to Mathematica and am surprised how much faster the Python version runs. Profiling of the Python version tells me that it is about 100 times faster (120 ...
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How can I get this Graphics3D to rotate around a particular point?
I made this Graphics3D of the Sun with the plotted orbits of a few astronomical objects.
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Can NDSolve address spherical gravitational collapse?
As far as I know spherical gravitational collapse -of central importance to theoretical physics- is thought to be out of the scope of Wolfram Mathematica.
However there are cases, as in this article,...
user67126
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The Orbit and Perigee of the Flamsteed comet
Historical context
This year we have the 330-th anniversary of the Battle of Vienna - one of the great formative events of European history, it took place on September 12, 1683.
Kara Mustafa, Grand ...
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Interstellar Image Effects
I'd like to know how to create this type of gravitational lensing effect in an image (here are some star fields from the hubble)
"I wrote down the equations and I tested them in Mathematica by
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GeoProjection for astronomical data - wrong ticks
Here is an excellent answer to what I wanted to do, and it works like a charm. Unfortunately, when I want to change it a bit, it fails. For setting the stage, here is the datafile, and this is my ...
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How do I determine astronomical transit times?
Mathematica, through the "legacy" Scientific Astronomer package, used to have the ability to easily determine accurate transit times of astronomical objects simply, with ...
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