All Questions
Tagged with fundamental-astronomy solar-system
6
questions
7
votes
1
answer
1k
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On what basis is the information about the distance and velocity of the Voyager probes determined?
Voyager 1 was the first-ever object to reach interstellar space on
August 25, 2012 when it passed beyond the sun’s realm of plasma
influence (the heliosphere)[...]
(source)
Although some of their ...
- 213
5
votes
3
answers
390
views
Does any asteroid we have ever seen have a hot core like earth.?
I was wondering if any of the asteroids we have ever seen has a hot core like Earth's.
I'm thinking that Earth has a strong gravitational field and so formation would have involved a lot of ...
- 51
3
votes
2
answers
755
views
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
votes
2
answers
468
views
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
3
votes
1
answer
669
views
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
17
votes
2
answers
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