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R

Rainbow

Noun. An arch of colors formed in the sky by sunlight through rain.

Transmission: "A double rainbow appeared above the launch site."



Raincoat

Noun. A waterproof coat that protects against rain.

Transmission: "You need a raincoat when exploring wet ocean worlds."



Rainy

Adjective. Having a lot of rain.

Transmission: "It is a rainy evening at the launch base."



Rarely

Adverb. Not often; seldom.

Transmission: "Astronauts rarely see a comet up close."



Read a book

Phrase. To look at and comprehend written words in a volume.

Transmission: "Read a book to relax during long interplanetary flights."



Red light

Noun. A traffic light signal indicating vehicles must stop.

Transmission: "The rocket rover stopped at the red light."



Restaurant

Noun. A place where people pay to sit and eat meals. 

Transmission: "The crew celebrated the launch at a restaurant."


Ruler

Noun. A long flat tool used to measure distance or draw straight lines. 

Transmission: "Use a ruler to measure the distance to the moon."