Arts & Entertainment
St. Louis Science Center: Astronomy Fact Of The Day: September 12, 2021
Tomorrow, Mercury reaches greatest eastern elongation. When Mercury is at greatest elongation, that means it is at its greatest separati ...
September 12, 2021
Tomorrow, Mercury reaches greatest eastern elongation. When Mercury is at greatest elongation, that means it is at its greatest separation from the Sun. Mercury will be low in the west 30 minutes after sunset.
Find out what's happening in St. Louisfor free with the latest updates from Patch.
This press release was produced by St. Louis Science Center. The views expressed here are the author’s own.