Thursday, July 1, 2021

Astro-Calendar: 2021 July / Good View of Mercury July 9

       Mercury in true color.jpg

This image shows the planet Mercury as photographed by NASA's Messenger space probe in 2008. Mercury is at inferior conjunction with the Sun on July 1, and the planet cannot be seen even with a telescope. However, Mercury should be easier to find, weather-permitting, on mornings before sunrise, on a few days before and after July 9. On the morning of July 9, Mercury will be at the highest point in the sky just above the southeastern horizon, shining with a brightness of an apparent visual magnitude of +0.3. Early on July 8, Mercury will be just 4 degrees south of the Moon.

(Image Sources: NASA, Wikipedia.org, By NASA/Johns Hopkins University Applied Physics Laboratory/Arizona State University/Carnegie Institution of Washington - https://photojournal.jpl.nasa.gov/catalog/PIA11364, Public Domain, https://commons.wikimedia.org/w/index.php?curid=83618472)

Astronomical Calendar for 2021 July ---
Link >>> https://buhlplanetarium4.tripod.com/astrocalendar/2021.html#jul

 Related Blog Post ---

"Astro-Calendar: 2021 June / Solar Eclipse June 10." Tue., 2021 June 1.

Link >>> https://spacewatchtower.blogspot.com/2021/06/astro-calendar-2021-june.html


Source: Friends of the Zeiss.
            Thursday, 2021 July 1.

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gaw

Glenn A. Walsh, Informal Science Educator & Communicator:
Link >>> http://buhlplanetarium2.tripod.com/weblog/spacewatchtower/gaw/
Electronic Mail: < gawalsh@planetarium.cc >
Project Director, Friends of the Zeiss: Link >>> http://buhlplanetarium.tripod.com/fotz/
SpaceWatchtower Editor / Author: Link >>> http://spacewatchtower.blogspot.com/
Formerly Astronomical Observatory Coordinator & Planetarium Lecturer, original Buhl Planetarium & Institute of Popular Science (a.k.a. Buhl Science Center), Pittsburgh's science & technology museum from 1939 to 1991.
Formerly Trustee, Andrew Carnegie Free Library and Music Hall, Pittsburgh suburb of Carnegie, Pennsylvania.
Author of History Web Sites on the Internet --
* Buhl Planetarium, Pittsburgh: Link >>>  http://www.planetarium.cc  Buhl Observatory: Link >>>  http://spacewatchtower.blogspot.com/2016/11/75th-anniversary-americas-5th-public.html
* Adler Planetarium, Chicago: Link >>> http://adlerplanetarium.tripod.com
* Astronomer, Educator, Optician John A. Brashear: Link >>> http://johnbrashear.tripod.com
* Andrew Carnegie & Carnegie Libraries: Link >>> http://www.andrewcarnegie.cc

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