Spacesuit: Hermetically sealed equipment that allows
astronaut to go into space.
Manned manoeuvring unit: system that allows an astronaut to
walk alone in space.
Helmet: part of the spacesuit that protects the astronaut's
head.
Rocket propellant tank: part of the manned manoeuvring unit
used for storing fuel.
Propellant: part of the manned manoeuvring unit that pushed
it forward.
Space boot: part of the spacesuit that protects the
astronaut's feet.
Adjustable arm: part of the manned manoeuvring unit that
adjust according to the length of the astronaut's arm.
Translation control for roll/pitch/yaw: stick that allows the
astronaut to rotate the manned manoeuvring unit.
Glove: part of the spacesuit that protects the astronaut's
hand.
Visor: part of the spacesuit that protects the astronaut's
face.
cosmonaut
Definition: A Russian astronaut.
Context:
On April 12, 1961, cosmonaut Yuri A. Gagarin of the Soviet Union
became the first person to travel in space.
Gravity
Definition: The force of attraction between objects.
Context:
The farther away an object, such as a spacecraft, gets from Earth,
the less effect the Earth’s gravity has on it..9
microgravity
Definition: A very low gravity environment, which causes people and
objects to be ractically weightless.
Context:
During the first few days on the ISS, the effects of microgravity
caused some astronauts to feel nauseous.
space
shuttle
Definition: Spaceships that take off and land like airplanes and are
designed to be used for up to 100 missions.
Context:
In 1993, a crew from the space shuttle Endeavour repaired the
orbiting Hubble space telescope.
ISS: interntional space
station
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