April 23, 2012 - Celebrate Astronomy Day

Celebrate Astronomy Day This week, thousands of stargazers will be “bringing astronomy to the people” during semi-anuual Astronomy Day events, coordinated by the Astronomical League, an umbrella organization of over 240 U.S. amateur astronomy clubs. Science museums, astronomy clubs, planetariums, libraries, and nature centers will host special events worldwide—at decidedly non-astronomical sites like shopping malls, parks, and downtown centers—to acquaint people with local astronomical resources and facilities. This is a great chance to meet and learn from talented amateur astronomers like R. Jay GaBany, who captured this image of galaxy NGC 4258 in Canes Venatici using an advanced half-meter (twenty-inch) telescope. Visit the Astronomy Day website this week to learn more.

Image Credit: R. Jay GaBany / www.Cosmotography.com

Weekly Calendar

April 23-29, 2012

Holidays - Sky Events - Space History

Monday 23

1858: Max Planck born
1962: Ranger 4 launched
1963: M2-F1 lifting body first free flight
1996: Priroda module launched to Mir space station

Tuesday 24

Venus 6° north of Moon

1970: China becomes fifth nation to launch its own satellite
1990: STS-31 Discovery launched

Wednesday 25

1962: Second Block I Saturn C-1 (SA-2) launched
1990: Hubble Space Telescope deployed
2003: ISS Expedition Seven crew launched on Soyuz TMA-2

Moon phase Thursday 26

Ceres in conjunction with Sun

1920: Shapley-Curtis debate on the nature and distance of spiral nebulae
: STS-55 Columbia launched

Friday 27

Saturday 28

Astronomy Day (Spring)

1900: Jan Oort born
1906: Bart Bok born
Eugene Shoemaker born
STS-39 Discovery launched
Soyuz TM-32 launched; Dennis Tito becomes first space tourist
GALEX launched
CloudSat and CALIPSO launched

Sunday 29

First Quarter Moon 5:57 AM ET

1985: STS-51B Challenger launched

Suggestions for new history dates or better links? Corrections for errors on this page? Please e-mail me.