Definition of astronaut
: a person who travels beyond the earth's atmosphere;
also
: a trainee for spaceflight
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Recent Examples of astronaut from the Web
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Since the space shuttle was retired in 2011, Russia has flown NASA’s astronauts to the station, charging hundreds of millions of dollars over that time.
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President Donald Trump has directed NASA to return astronauts to the moon.
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Space Policy Directive 1 issued in December redirected NASA’s focus from potential exploration of Mars to returning astronauts to the moon, in collaboration with private companies.
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Under his direction, the National Aeronautics and Space Administration seeks to pursue various private-public partnerships to develop a family of spacecraft intended to return astronauts to the Moon by the early 2020s.
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SpaceX plans to use the Block 5 to launch astronauts to the space station as early as 2019.
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By using commercial services, NASA hopes to lower the cost of studying the Moon and getting astronauts back to the lunar surface by the mid-2020s.
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Pence noted that the space agency, under Bridenstine's direction, will work to get astronauts back to the moon and then, with help from commercial space and international partners, on to Mars.
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Other guests included former Rep. Gabby Giffords and her husband, retired astronaut Mark Kelly, and professional golfer Phil Mickelson, along with Karl Rove, and other former White House staff.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'astronaut.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of astronaut
astr- + -naut (as in aeronaut)
ASTRONAUT Defined for English Language Learners
Definition of astronaut for English Language Learners
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: a person who travels in a spacecraft into outer space
ASTRONAUT Defined for Kids
Definition of astronaut for Students
: a person who travels beyond the earth's atmosphere : a traveler in a spacecraft
Learn More about astronaut
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See words that rhyme with astronaut Spanish Central: Translation of astronaut Nglish: Translation of astronaut for Spanish speakers Britannica English: Translation of astronaut for Arabic speakers Britannica.com: Encyclopedia article about astronaut
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