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A cosmonaut.
NASA explores space by launching space rockets with famous astronauts in them
Astronauts
The general name used for a person who studies space is an astronomer. Astronomers study everything from the stars, the planets and anything else involved with planetary science.
The Vostok 1 was nicknamed Lastochka meaning Swallow .
cosmonauts
A cosmonaut.
space scientist Astronomers is the correct name for your question.
NASA explores space by launching space rockets with famous astronauts in them
Russia calls astronauts the term cosmonauts.
Astronauts
A pioneer is someone who explores new lands.
An astronomer or an astro physicist.
"Oceanographer" would probably be closest.
Someone who explores caves is called a spelunker. But that is 9 letters. Are you sure you are limited to 7 letters?Maybe your answer is spelunk.As in "Dave is going to spelunk today".
The general name used for a person who studies space is an astronomer. Astronomers study everything from the stars, the planets and anything else involved with planetary science.
The Vostok 1 was nicknamed Lastochka meaning Swallow .