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Since the period of 12 such lunations, a lunar year, is 354 days, 8 hours, 48 minutes, 34 seconds (354.36707 days), purely lunar calendars are 11 to 12 days shorter than the solar year. In purely lunar calendars, which do not make use of intercalation, the lunar months cycle through all the seasons of a solar year over the course of a 33–34 ...
From 1981 to 2011 a total of 135 missions were flown, all launched from Kennedy Space Center (KSC) in Florida. During that time period the fleet logged 1,322 days, 19 hours, 21 minutes and 23 seconds of flight time. [2] The longest orbital flight of the Shuttle was STS-80 at 17 days 15 hours, while the shortest flight was STS-51-L at one minute ...
A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, the final minute, and the final second. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.
NASA created a special 2010 calendar to celebrate the 10th anniversary of people continuously living aboard the International Space Station. The calendar contains unique images and highlights historic space exploration milestones and educational facts about the international laboratory.
Annual. Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now includes a wide range of events coordinated globally by EARTHDAY.ORG (formerly Earth Day Network) [1] including 1 billion people in more than 193 countries. [2] [1] [3]
A calendar date is a reference to a particular day represented within a calendar system. The calendar date allows the specific day to be identified. The number of days between two dates may be calculated. For example, "25 July 2024" is ten days after "15 July 2024". The date of a particular event depends on the observed time zone.
Description. NASA Science Calendar 2021.pdf. English: 2021 NASA Science Calendar. 2021 NASA Science Calendar: Science and discovery have always required us to persevere. Through unprecedented times. Through storms and turbulence. Perseverance is more than facing challenges. It demonstrates our ability to hold on to a worthy goal with resilience.
Delivery of the Mengzhou next-generation crewed spacecraft for China's first crewed lunar landing. Delivery of the Lanyue crewed lunar lander for China's first crewed lunar landing. Maiden flight of Taiwan 's first orbital launch vehicle, Siraya (西拉雅). [35] Ultraviolet Explorer (UVEX).
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