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in busy urban locations so that passersby could enjoy views of the heavens. Since then the event has expanded and is now sponsored by a number of organizations associated with astronomy.
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influence on the schedule means that the events happen on a different date each year, rather than set calendar dates. The table below shows the dates for up coming
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257:. In 2007, an autumn Astronomy Day was added. It was scheduled to occur on a Saturday between mid-September and mid-October so as to be on or close to the first quarter Moon.
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Originally, Astronomy Day occurred on a
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is an annual event in various countries, intended to provide a means of interaction between the general public and various
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canceled the in-person event in 2020 due to the global pandemic of COVID-19 virus. Some organizations, such as the
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This event was started in 1973 by Doug Berger, the president of the
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942:"Astronomy is for Everyone | National Astronomy Day 2020 » Lowell Observatory"
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Saturday between mid-April and mid-May on or just before the first
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928:"Astronomy Day Cancellation | the Astronomical League"
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Astronomical League information page on
Astronomy Day
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903:"Astronomy Day Fact Sheet | The Astronomical League"
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57:. Unsourced material may be challenged and removed.
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1094:Observances held on the first quarter moon
167:Astronomy-related events and competitions
117:Learn how and when to remove this message
889:. Nepe Sky And Telescope:April 28, 2012
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234:enthusiasts, groups and professionals.
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55:adding citations to reliable sources
246:. His intent was to set up various
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143:An Astronomy Day celebration in
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186:Semi-annually (Spring and Fall)
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882:Editors of Sky and Telescope;"
844:100 Hours of Astronomy (100HA)
194:United States and later others
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974:A Csillagászat Napja 2018-ban
854:National Astronomy Week (NAW)
849:National Dark-Sky Week (NDSW)
221:astronomyday.astroleague.org
864:White House Astronomy Night
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51:improve this article
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107:December 2014
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68: –
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62:Find sources:
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40:This article
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18:Astronomy day
1043:Solar System
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911:. Retrieved
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207:Participants
199:Years active
177:quarter moon
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49:Please help
44:verification
41:
1031:Outer space
1019:Spaceflight
944:. May 2020.
749:October 12
674:October 16
671:October 13
549:October 11
524:October 21
474:October 14
352:Past events
320:October 10
317:October 12
211:Astronomers
145:West Bengal
1053:Categories
913:2016-05-09
870:References
839:Earth Week
829:Earth Hour
774:October 2
771:October 1
746:October 9
699:October 5
696:October 5
624:October 9
621:October 8
574:October 1
546:October 13
521:October 20
499:October 3
471:October 16
248:telescopes
244:California
202:since 1973
77:newspapers
995:Astronomy
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785:April 29
713:April 30
663:April 22
660:April 21
635:April 29
588:April 25
585:April 25
571:October 4
538:April 18
513:April 30
496:October 1
463:April 21
421:April 24
393:April 16
232:astronomy
183:Frequency
818:See also
535:April 20
510:April 28
460:April 24
418:April 21
390:April 16
981:Portals
793:Autumn
782:Spring
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91:scholar
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368:Season
334:May 4
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93:
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1007:Stars
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754:2022
729:2021
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679:2019
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300:2024
267:lunar
164:Genre
149:India
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84:books
806:The
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529:2013
504:2012
479:2011
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398:2006
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363:Year
325:2025
279:Year
265:The
255:Moon
70:news
53:by
1055::
905:.
894:^
147:,
983::
916:.
886:"
120:)
114:(
109:)
105:(
95:·
88:·
81:·
74:·
47:.
20:)
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