NASA moon landing program, Saturn V rockets, and Apollo astronauts.
Test your knowledge with these top questions!
How did the Apollo command module slow down before Pacific splashdown?
Two small drogue chutes opened first to steady the capsule, then the three orange-and-white mains took over.
Who commanded Apollo 13 during its April 1970 rescue mission?
Lovell had already circled the Moon on Apollo 8, making Apollo 13 his fourth spaceflight.
Why did the Apollo 11 Moon landing look blurry on home TV sets in 1969?
The lunar camera sent a slow nonstandard signal that ground stations converted for home broadcasts.
What keypad-and-display unit did Apollo astronauts use to talk to the guidance computer?
Astronauts typed two-number codes for verbs and nouns, telling the computer which job to run and what numbers to use.
How many astronauts did the Apollo command module carry into space?
The cone-shaped capsule held three couches in a space about the size of a car interior.
What exploded aboard Apollo 13 in April 1970?
The blast struck about 56 hours into the flight and forced the crew to cancel the Moon landing.
Which book of the Bible did the Apollo 8 crew read from on Christmas Eve 1968?
The astronauts took turns reading the opening verses live for a television audience estimated in the millions.
Which later mission did the Apollo 10 flight rehearse in May 1969?
Apollo 10 completed every step short of landing, clearing the way for Apollo 11 two months later.
What did Apollo 13 astronauts use to fit square carbon-dioxide filters into round openings?
Engineers in Houston talked the crew through the build using only items already aboard.
NASA Apollo Moon rockets lifted off from Launch Complex 39 in which state?
Launch Complex 39 sits on Merritt Island, Florida, at Kennedy Space Center, built for the Saturn V.