The Colt .45s began their existence playing at Colt Stadium. The current name, reflecting Houston's role as the host of the Johnson Space Center, was adopted three years later, when they moved into the Astrodome, the first domed sports stadium and the so-called "eighth wonder of the world."

After Roy Oswalt had to leave the game with a groin pull, the bullpen came up big with six pitchers contributing to the no-hitter: Oswalt, Pete Munro, Kirk Saarloos, Brad Lidge, Octavio Dotel, and Billy Wagner.

The rainbow uniform was introduced in 1975. It was a radical design for its time -- nothing remotely like it had ever appeared on a baseball diamond. It was also the perfect embodiment of MLB's Technicolor era, as a variety of factors (new fabrics, new tailoring concepts, the rise of color television, the loosening of longstanding cultural dress codes) helped to reshape the idea of what a baseball uniform could be.

Jeff Bagwell played his entire career with the Astros, finishing with 449 home runs.

Teammates Craig Biggio, Jeff Bagwell, and Lance Berkman formed the core of the "Killer B's" who led Houston to six playoff appearances from 1997 to 2005. Alex Bregman didn't make his MLB debut until 2016.

Orbit, a lime-green alien wearing an Astros jersey with antennae extending into baseballs, is the only MLB mascot to win back-to-back Mascot of the Year awards.

On August 20, 1999, Bagwell walked a major-league record six times in a 16-inning battle against the Florida Marlins.

Correa proposed to his girlfriend, 2016 Miss Texas USA winner Daniella Rodriguez, on live television during a postgame interview. She accepted.

At 5 feet 6 inches, José Altuve may have been the shortest active MLB player in 2017, but he made the most of every inch, winning the AL Most Valuable Player Award, the Hank Aaron Award, and becoming a World Series champion with the Astros.

César Cedeño finished in the top ten of stolen base leaders from 1971-1978 and again in 1980. During his twelve years with the Astros, he racked up 487 stolen bases.