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Exploring Space

Horizontales
When information about Earth and other space objects is collected without direct contact
A place that has no matter
A rocket made up of several small rockets
The space race was between _____________ and the United States.
Speed in one direction
In 1969, US astronaut __________ became the first person to step on the Moon
Verticales
A device that sends gas in one direction to move in the opposite direction
The velocity a rocket must achieve to establish orbit around Earth
At the end of a multistage rocket, there is just a single stage left, which is known as the ___________.
An object that revolves around another object in space
The force that sends a rocket forward
The American effort to land astronauts on the Moon was named the _________ program.
Something that was designed for space but is now used on Earth
____________ satellites relay signals from one part of the Earth to another. Examples include radio signals or telephone signals
Small robots attached to some space probes that are used to move around on planets or moon to collect data