StarDome: Locate Mercury in your evening sky with our interactive star chart. Sign up for our free weekly e-mail newsletter. Mercury’s close proximity to the Sun makes the planet difficult to spot.
Start out the week with a two-for-one bonus in the hindquarters of Leo the Lion. Already high in the south at sunset, the Lion is perfectly poised for evening observing. Focus in on magnitude 2.6 ...
On July 4, 2025, Mercury will reach its greatest eastern elongation, marking the point where it is farthest from the Sun in the evening sky. This astronomical event offers an exciting opportunity to ...