Yes, though the formation process for such a system is rather difficult to construct, making such binary planet systems…
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How Does the Path that the Moon Takes on the Sky Differ from that of the Sun?
There is a very nice description of the comparison of the Sun’s and Moon’s paths through the sky from…

Motion and Phases of the Moon
What you observed was probably the natural position of the Moon at this point in its regular path through…

A Question About Gravity and Black Holes
Regarding your first question, if space curvature is not due to the gravitational force of an object, then you…

When Did The First Annular Eclipse Occur?
There is in fact a really thorough answer to this question posted to the astronomy stack exchange. Although the…

The Milankovitch Obliquity Cycle
I believe that you can get a better understanding of the Milankovitch obliquity cycle and how it affects Earth’s…