crew of Apollo 16. Thomas Mattingly is pictured on
the left. Photo credit: NASA/JSC.
into space by command module pilot Thomas Mattingly on
the Apollo 16 mission to the moon in April 1972.
Number of layers: 21
Weight: 185 pounds
inside the Apollo spacecraft. Photo courtesy of NASA.
spacesuits, also known as extravehicular mobility units (EMUs),
were designed to protect astronauts from the main dangers
in space: extreme temperatures, depressurization, radiation
and micrometeoroids. The spacesuit includes a one-piece undergarment
that contains over 300 feet of plastic tubing and serves
as a cooling and ventilation system. All suit functions are
monitored and regulated from a control board mounted on the
chestpack. The suit's backpack provided up to eight hours
Science Center's Apollo Spacesuit
on his spacewalk. Photo courtesy of NASA.
K. Mattingly II, command module pilot on the Apollo 16 mission
in April 1972, wore this suit on a spacewalk to collect film
from outside the spacecraft. Other members of the Apollo
16 crew included John W. Young (commander) and Charles M.
Duke, Jr. (lunar module pilot). The suit is on loan from
the National Air and Space Museum, Smithsonian Institution.
from How Stuff Works provides amazingly detailed information
about spacesuits and their components (including photos), as
well as the history of spacesuit development and some predictions
about suits for the future.
Apollo: Extravehicular Mobility Unit Gallery
The highlights of this site include images and NASA diagrams
of Apollo spacesuits. The site's author has also added original
drawings that show how the suit used inside the spacecraft
is adapted for use outside the craft and on the surface of
This NASA site offers links to learn more about the Apollo
program, as well as specific information about the Apollo 16
mission and crew. Don't miss the images taken during the mission,
including photos of the astronauts collecting samples from
the moon's surface and images of Earth as seen from the moon.