“National Astronaut Day”的意思、由来-开放百科全书

词条

National Astronaut Day

释义

References

{{Use mdy dates|date=June 2018}}National Astronaut Day is an American commemorative day held on May 5 since 2017.^[1] It commemorates the first United States human spaceflight, on May 5, 1961, piloted by astronaut Alan Shepard.^[2]

References

1. ^{{cite web|last1=Wall|first1=Mike|title=Happy National Astronaut Day!|url=https://www.space.com/36725-national-astronaut-day-2017-uniphi-facebook-live.html|website=Space.com|accessdate=May 6, 2018}}
2. ^{{cite news|url=http://www.techtimes.com/articles/226990/20180505/national-astronaut-day-commemorates-launch-of-first-american-in-space.htm |title=National Astronaut Day Commemorates Launch of First American in Space |publisher=Tech Times |date=May 5, 2018 |accessdate=2018-05-07}}

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