4 Answered Questions for the topic orbital motion

Orbital Motion History Astronomy Solar System

06/27/19

How did pre-Copernican astronomers accurately predict planetary position?
Copernican elements (circular orbital elements) are not very accurate. But Copernicus simplified our understanding a great deal by placing the Sun at the center of the system. Im astonished by the... more
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Orbital Motion Astronomy

06/22/19

How does the view of night sky change as the Sun orbits around the Milky Way?
I know that the Sun and hence the Solar System orbits around the galactic center of the Milky Way. Does this rotation cause any visible change in the night sky?I know that human life span is... more
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Orbital Motion Astronomy

06/20/19

How is celestial navigation done on a low-level?
When we send a probe off to Jupiter or Saturn, or even Earth orbit, how are the rocket firings timed and coordinated?For instance, when I want to drive to another city I pull onto the highway and... more
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Orbital Motion Astronomy

06/18/19

What tools do I need to track an orbit of a mystery object?
A while back I was observing Uranus with my 6" dob and a moving object tracked across my field of view. I was at about 90x at the time, and the object was pretty bright but slow moving. I dropped... more
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