Astronauts brought back 500 lbs rock samples from the moon. They brought back 227 kilograms of sample.
An Astronaut is a person who has been educated, prepared, and put into space as part of a human spaceflight mission to serve as a commander or crew member. The word is frequently used to refer to scientists as well as professional space explorers, while being usually reserved for all of those who travel into space on a daily basis.
According to the given question, Astronaut bought back 550 lbs sample,
We know that,
2.20lbs = 1 kg.
1 lbs = 1/2.20 kg
1 lbs = 0.45 kg
Hence, 500 lbs equals 227kgs according to the given relation.
So, Astronauts brought back 227 kilograms of sample.
Learn more about Astronaut here, brainly.com/question/11244838
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