The second event, early Tuesday evening, will be the very rare Transit of the Planet Venus moving directly in front of the Sun. I will post more details about this later today. However, you can learn more about it at this link: http://venustransit.pghfree.net/
Here is an article regarding Monday's Partial Eclipse of the Moon/Partial Lunar Eclipse:
Partial Lunar Eclipse Monday Sets Stage for Venus Transit
by Mike Wall, SPACE.com Senior Writer
Date: 03 June 2012 Time: 06:00 AM ET
This map shows areas of visibility around the world for the partial lunar eclipse on June 4, 2012.
The historic transit of Venus across the sun Tuesday is a must-see for skywatchers, but observers shouldn't overlook another celestial event that comes just one day earlier — a partial lunar eclipse of the June full moon.
On Tuesday (June 5), Venus will trek across the sun's face from Earth's perspective, marking the last such transit of Venus until 2117. In a sort of celestial warmup, the full moon will dive through the Earth's shadow on Monday morning to produce a partial lunar eclipse that will be visible to observers throughout parts of North America, Asia and the Pacific region, weather permitting.
The lunar eclipse comes two weeks after the May 20 annular solar eclipse that enthralled skywatchers around the world, and that's no accident.
June 5 - Safe Public Viewing of Rare Astronomical Event:
Glenn A. Walsh, Project Director,
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SPACE & SCIENCE NEWS, ASTRONOMICAL CALENDAR:
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Author of History Web Sites on the Internet --
* Buhl Planetarium, Pittsburgh:
* Adler Planetarium, Chicago:
* Astronomer, Educator, Optician John A. Brashear:
< http://johnbrashear.tripod.com >
* Andrew Carnegie & Carnegie Libraries:
* Civil War Museum of Andrew Carnegie Free Library:
< http://garespypost.tripod.com >
* cable-car railway, Pittsburgh:
* Public Transit: