Another gloomy Moon Day

It was July 20, 44 years ago, that a human being first left footprints on a heavenly body other than Earth. Thus, Saturday, July 20 is Moon Day.

It's a bittersweet occasion. Neil Armstrong has passed away since we observed Moon Day 2012 (he died last August 25) and Buzz Aldrin is 83. It is now 41 years and counting since anyone has been to the Moon. Here's the complete list (complete with links to Wikipedia entries on each astronaut and mission):

	Name	Mission	EVA dates
1	Neil Armstrong	Apollo 11	July 20, 1969
2	Buzz Aldrin
3	Pete Conrad	Apollo 12	November 19-20, 1969
4	Alan Bean
5	Alan Shepard	Apollo 14	February 5-6, 1971
6	Edgar Mitchell
7	David Scott	Apollo 15	July 31–August 2, 1971
8	James Irwin
9	John W. Young	Apollo 16	April 21-23, 1972
10	Charles Duke
11	Eugene Cernan	Apollo 17	December 11-14, 1972
12	Harrison Schmitt

In all the years since, we've flown no higher than the International Space Station. Yes, it is a remarkable achievement to build even a small outpost that's technically in Outer Space -- but the ISS is in Low Earth Orbit -- it's just camping in Earth's backyard compared to the wonders that lie before us.

There are two Americans in the six-person crew currently on board the International Space Station (this crew is referred to as Expedition 36). One of these is Karen L. Nyberg, a PhD in mechanical engineering, currently serving as a flight engineer aboard the station. Dr. Nyberg is pictured at right. The other is CDR Christopher J. Cassidy, USN. An Italian and three Russians, including Expedition 36 Commander Pavel Vinogradov, round out the current crew.

Our astronauts get to and from the space station these days by hitching a ride with the Russians.

Saturday. Moon Day.

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