The Astros' name was born 57 years ago on Dec. 1, 1964.
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So, what's in a name? Here's a brief history of the Astros' name, which, of course, wasn't the original identity of Houston's MLB team.
Just as iconic as the Astros' name, the video above breaks down the birth of the team's legendary rainbow star uniforms.
Life as the Colt .45s
The Houston Astros' major league lineage began with the Houston Colt .45s, playing their first game in April 1962. The .45s were named after a "name the team" contest was held.
Houston was awarded a National League expansion team in the years leading to the .45s' first opening day, but it took some wheeling and dealing with a professional baseball team that existed in the city, the minor league Houston Buffaloes.
After the Buffaloes were purchased by Houston's major league franchise, the Colt .45s went on to play just three seasons.
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In the midst of this, the team was playing at a temporary outdoor ballpark located in the shadow of what would become a groundbreaking innovation in large-scale venues.
Becoming the Astros
The Astros name change coincided with two simultaneous happenings in the Bayou City.
One was the completion of the "Eighth Wonder of the World," the Astrodome, which was touted as the first ever multi-use domed stadium. It would be the team's home spanning across four decades.
RELATED: A look at the '8th wonder' then and now
TIMELINE: the saga of the Astrodome
In turn, the venue name was inspired by the city recent landing of NASA's "Manned Spacecraft Center," which would later be named as the Lyndon B. Johnson Space Center.
In the 57 years since the Astros were born, the team has brought Houston 15 postseason berths - 11 of which were from winning their division; four pennants - at least one each from the American and National leagues; and a cathartic but later highly disputed World Series title.
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SEE ALSO:
Highlights from Houston's first major league baseball game
Highlights from Houston's first MLB game
This 101-year-old sewed the old Astros team's patches
101-year-old seamstress once sewed for the 'Stros