In the evenings that follow, Mercury will diminish — slowly at first — in brightness, but it will also be reaching its greatest elongation ... appearing low in the western sky and setting ...

I pick out North America’s celestial highlights for the weekend (which also applies to northern hemisphere mid-northern ...

Visible to the naked eye, Mercury should be seen in the western sky at twilight ... The planet will be at its greatest elongation from the sun. Elongation is the angular distance between a ...