Since the Earth completes one orbit around the Sun every year, it returns to the same position after 365.256…
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Why Does the Length of the Day Change More Quickly at the Equinoxes Than it Does at the Solstices?
Since the Earth’s rotational axis is tilted by about 23.5 degrees relative to its orbital plane, the path of…

What Planets Are Visible from Vancouver Canada on December 5, 2020?
I believe that you were seeing Venus on the SE horizon. As for what you identified as two planets…

Astronomical Coordinate Systems Questions
To answer your first question, keep in mind that the geocentric ecliptic coordinate system is, as the name implies,…

Why is Venus Visible in the Night Sky When it’s Orbit is Closer to the Sun?
You can only see Venus just before sunrise or just after sunset, when it is in a part of…

Can Venus and the Full Moon Appear Near Each Other in the Night Sky?
Exactly for the reasons you describe, Venus and the Full Moon do not appear near each other in the…