All Questions
Tagged with fundamental-astronomy planet
8
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does a minority of all planetary systems show transits?
do most or only a minority of all planetary systems to show transits?
I feel like its minority due to the random orientation of their orbits?
But the thing is I seem to find conflicting information.
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- 11
4
votes
1
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Massive degraded impact crater on Mercury - chemical evidence?
The planet Mercury has a myriad of impact features - this has been known for some time. However, observe in the following images, a relatively large 'High-Mg region' detected on the planet (below):
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user14785
3
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2
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755
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What is the effect of the axial precession on the orientation of the planet's orbits?
I am working on an online application to visualize the positions of the planets and to calculate their ephemerides (you find it here, but it is not complete yet). I do not have much knowledge in ...
- 61
8
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Planetary reference systems and time
I am researching into how coordinate systems of solar systems objects are created by reading some of the reports written by the Working Group on Cartographic Coordinates and Rotational Elements (e.g. ...
- 181
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Questions about terminology used for Mars and its moons
I am having difficulty with some terminology:
sub-Martian hemisphere of Deimos ... what place on Deimos does it refer to?
leading/trailing apex of Phobos ... what place are those?
Apex ... in general ...
- 113
3
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Equations for coordinates of solar system objects
I would like to write a program that visualizes the solar system. To do this, I would need equations for calculating the coordinates of each solar system object at a given time. Where could I obtain ...
- 31
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2
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1k
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Open problems in astronomy that an amateur (with a PhD in some other field) would have a chance of solving?
What are some open problems in astronomy that an amateur would have a chance of solving? Suppose the amateur has a PhD in some other field, owns a basic telescope, a set of filters, diffraction ...
- 171
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