今天是世界天文日，大家一起来庆贺。世界天文日快乐！
Astronomy Day: Bringing Astronomy to the PeopleBy the Editors of Sky & Telescope
Visitors to the Charles Hayden Planetarium at Boston抯 Museum of Science were treated to views of the Sun through a filtered 6-inch refractor during the Astronomy Day celebration in April 2001. S&T photo by Edwin L. Aguirre.
One day each year, astronomy clubs, planetariums, and other groups of sky lovers band together to expose the general public to the wonders and excitement of astronomy. Officially, Astronomy Day is celebrated "to promote the forerunner of all scientific endeavors and to provide information, resources, and encouragement in all facets of astronomy." But showing that astronomy is fun is really what it's all about.
Doug Berger, former president of the Astronomical Association of Northern California, founded this annual event in 1973 as a high-profile way of drawing public attention to the science and the hobby through exhibits and activities at urban centers. Since then the celebration has mushroomed in size and scope. Hundreds of astronomy clubs, observatories, museums, colleges, and planetariums worldwide now host special family-oriented Astronomy Day events and festivities. Some organizations extend their activities over an entire week.
Schedule
Astronomy Day is usually celebrated between mid-April and mid-May, on the Saturday closest to the first-quarter Moon. This year Astronomy Day falls on April 16th. However, local organizers often host events on dates that best suit their needs, or to accommodate a special event like an eclipse, planetary alignment, or bright comet.
Why Participate?
This event is a great way for your club to gain visibility in your community. Having the public look through telescopes and at your displays spreads interest in astronomy throughout the general public and might even attract new members to your club. It provides a platform for discussing light pollution — an issue that should concern everyone. Perhaps most important, Astronomy Day is great morale-booster for you and your fellow club members. It brings people together for a day of sharing their love of the sky with others.
If you don't belong to an astronomy club and want to find a local club or planetarium that might be hosting an Astronomy Day celebration, check out our directory of clubs, observatories, planetariums, and science museums in North America, Europe, and Australia/New Zealand.
More Information
To assist organizations and individuals in planning Astronomy Day programs, the Astronomical League and Sky & Telescope have prepared a fact-filled Astronomy Day Handbook. Written by David H. Levy and recently updated by Gary Tomlinson, the 76-page guide offers time-tested suggestions for conducting large and small endeavors. It also includes the rules and entry forms for the Sky & Telescope Astronomy Day Awards, prizes given annually to the groups whose programs do the best job of "Bringing Astronomy to the People."
The Astronomy Day Handbook is available for free as a 1½-megabyte Adobe PDF file, which you can download using anonymous FTP and open on any computer using the free Adobe Reader software.
The Astronomical League maintains the official Astronomy Day Web page, which describes the event's background and where to find an Astronomy Day activity in your area.
Finally, check out our free Getting Started in Astronomy flyer, which is available in Adobe PDF format. It includes an article on how to take your first steps in the hobby, six bimonthly star charts with simple instructions, and a Moon map. This free black-and-white publication is suitable for printing, photocopying, and distributing at Astronomy Day exhibits, at star parties, in classrooms, at scout-troup meetings, and at any other gathering of the astronomy-interested public.
Also available for printing and handing out is our ever-popular Good Neighbor Outdoor Lighting flyer, a clear, simple info sheet on light pollution and how anyone can minimize it. 国际天文日是在1973年由前美国北加州天文协会会长Doug Berger发起，今年是第三十二年。国际天文日的日期通常选在四月中至五月中、月相最接近上弦月的星期六。今年的国际天文日就在4月16日的今天,国际天文日所在的周(4月10～4月16)为"国际天文周"。 祝大家观星愉快 ^^
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