Canadarm - a robotic manipulator arm developed by the Canadian Space Agency, along with the Canadarm 2, that is controlled by astronauts inside the space shuttle to move and repair objects in space.
ISS - acronym for International Space Station.
life-support systems - a system that helps astronauts to survive in space. (e.g.) allowing them to breathe in space.
spinoff - an everyday use of technology that came off of another part of technology or project, e.g. space exploration.
satellite - an object in space that revolves around Earth.
RADARSAT - a satellite used by scientists to take pictures of the Earth to study it.
It is crucial for astronauts to exercise because with lack of gravity in Outer Space, muscles become weaker and expand. Medical experiments are conducted in space because without lack of gravity, substances mix together easier, and crystals are grown faster and better.
Exploration Spinoffs. Some examples of space exploration spinoffs are barcodes, scanning equipment, and cell phones. For example, we are now able to use cell phones because they require satellites. Without space exploration, satellites would never have been invented and mobile phones would not be used today.
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