I believe that you are probably referring to the theory of planet formation which proposes that some rocky planets…
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Online Interactive Sky Chart?
Sky and Telescope provides an online interactive sky chart that I think can provide the information you are looking…

How to Determine if a Planet is Moving Retrograde
I believe that this question has been answered on the Physics StackExchange forum. Observationally, if you can measure the…

What Would the Eclipsing of Two Moons Appear from its Planet’s Inhabitants?
Since moons are visible by the light they reflect from the star that their parent planet orbits, the eclipse…

Can One Show the Positions of the Planets as a Linear Sequence on the Sky?
Perhaps what you are looking for is a way to visualize the positions of the planets on the sky…

Radio Emission Properties of Jupiter and Saturn
Both planets have strong radio emission due to several different emission processes. Below a frequency of 40 MHz, cyclotron-maser…