Module 1 Exam

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Which of following was NOT a stage of NASA's plan to put the first person on the moon?

the Orion program

The organizing body for non-military space activities on behalf of the US Government is the...

National Aeronautics and Space Administration.

At which location did a research group led by engineer Wernher von Braun develop ballistic missiles?

Peenemunde

Which of the following explains why the U.S. Navy program was selected for the first U.S. satellite launch?

Viking was designed to undertake only research projects.

. The substances required to enable a rocket engine to fire are called

propellants.

What is the term for an engineering technique in which multiple versions of a device operate alongside each other, so that if one fails, another can take over?

redundancy

Which of the following is an idea that Robert Hutchings Goddard introduced in his "Further Developments" to his research "A Method of Reaching Extreme Altitudes"?

solar energy

What device uses radiation or particles to split a beam so that the number of different types of radiation or particles can be measured?

spectrometer

A flight into space by a spacecraft where the spacecraft returns to Earth without achieving orbit is called a

sub-orbital flight.

What is the path followed by a spacecraft or missile after it has been set on its course?

trajectory

The period when a spacecraft is following a trajectory but is not using its engines is

free flight.

What part of a spacecraft is used to lift it from the surface of a planet into orbit?

ascent stage

What is a measure of the amount of thrust produced in relation to the weight of propellant required?

efficiency

In which year did the United States detonate the first nuclear weapon?

1945

Which of the following is an example of a spacecraft that remains in orbit for extended periods of time and is visited by astronauts for extended periods of time?

International Space Station

What term refers to the gases that are produced by combustion in a rocket engine and leave the rocket engine through a nozzle?

exhaust gases

1. The region of very energetic particles that are trapped by Earth's magnetic field and prevented from reaching the surface is called the...

Van Allen belt.

What term refers to the part of a spacecraft that is occupied by the crew for takeoff and landing?

command module

What term refers to a period of easing or relaxation in tensions between two countries or political groupings?

détente

The meeting in orbit of two or more spacecraft is

orbital rendezvous.


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