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X-WR-CALNAME:Space Calendar
X-ORIGINAL-URL:https://spacecalendar.com
X-WR-CALDESC:Events for Space Calendar
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BEGIN:VTIMEZONE
TZID:Pacific/Honolulu
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TZOFFSETFROM:-1000
TZOFFSETTO:-1000
TZNAME:HST
DTSTART:20250101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20260401
DTEND;VALUE=DATE:20260402
DTSTAMP:20260730T201435Z
CREATED:20250119T231500Z
LAST-MODIFIED:20260730T201435Z
UID:10000044-1775001600-1775087999@spacecalendar.com
SUMMARY:45th Observation of STS-1 Columbia Flight
DESCRIPTION:Commemorations occur today in honor of 1st ever NASA Space Shuttle Columbia carrying John Young and pilot Robert Crippen around Earth on 54.5-hour mission in 1981.
URL:https://spacecalendar.com/event/45th-observation-of-sts-1-columbia-flight-2026/
LOCATION:Nationwide USA
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260410
DTEND;VALUE=DATE:20260411
DTSTAMP:20260730T201434Z
CREATED:20250916T203426Z
LAST-MODIFIED:20260730T201434Z
UID:10000224-1775779200-1775865599@spacecalendar.com
SUMMARY:Pōwehi Day
DESCRIPTION:Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories\, given the Hawaiian name Pōwehi; imaged in April 2017 and released Apr 10\, 2019.
URL:https://spacecalendar.com/event/powehi-day-2/
LOCATION:Statewide Hawai’i\, USA
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260412
DTEND;VALUE=DATE:20260413
DTSTAMP:20260730T201434Z
CREATED:20250117T225523Z
LAST-MODIFIED:20260730T201434Z
UID:10000065-1775952000-1776038399@spacecalendar.com
SUMMARY:65th Anniversary of the First Person in Space "Cosmonautics Day"
DESCRIPTION:Celebrating Yuri Gagarin\, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes at 27\,400 kph and 327 km above Earth.
URL:https://spacecalendar.com/event/65th-commemoration-of-human-spaceflight-cosmonautics-day/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260418
DTEND;VALUE=DATE:20260419
DTSTAMP:20260730T201420Z
CREATED:20251031T204140Z
LAST-MODIFIED:20260730T201420Z
UID:10000627-1776470400-1776556799@spacecalendar.com
SUMMARY:8 Years in Space: Transiting Exoplanet Survey Satellite (TESS)
DESCRIPTION:Space telescope for NASA Explorers program reaches 8th full year in space today\, designed to search for exoplanets using the transit method in an area 400 times larger than that covered by Kepler / K2 mission; launched April 18\, 2018.
URL:https://spacecalendar.com/event/transiting-exoplanet-survey-satellite-tess-begins-next-year-in-space/
LOCATION:High Earth Orbit (HEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260424
DTEND;VALUE=DATE:20260425
DTSTAMP:20260730T201420Z
CREATED:20250617T230639Z
LAST-MODIFIED:20260730T201420Z
UID:10000173-1776988800-1777075199@spacecalendar.com
SUMMARY:36 Years in Space: Hubble Space Telescope
DESCRIPTION:NASA spacecraft with 2.4-meter diameter main telescope begins 37th year in space today\, launched Apr 24\, 1990; could continue operations until 2040s.
URL:https://spacecalendar.com/event/hubble-space-telescope/
LOCATION:Low Earth Orbit (LEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260424
DTEND;VALUE=DATE:20260425
DTSTAMP:20260730T201420Z
CREATED:20250916T202936Z
LAST-MODIFIED:20260730T201420Z
UID:10000220-1776988800-1777075199@spacecalendar.com
SUMMARY:National Day of Space Flight
DESCRIPTION:Commemorating the launch of China’s first satellite\, Dongfanghong-1 on April 24\, 1970.
URL:https://spacecalendar.com/event/national-day-of-space-flight-2/
LOCATION:China (Zhongguo)
CATEGORIES:Observation / Anniversary
END:VEVENT
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