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Q:

Why is it so important that a space rocket is light?

A:

According to NASA, it costs $10,000 to put a pound of payload in to orbit around the Earth. NASA's goal is to reduce the cost of getting to space to hundreds of dollars per pound within 25 years and tens of dollars per pound within 40 years. Lighter stronger rockets are therefore cheaper to launch into space. For more information on the cost per pound to launch into space, check out the link below.

https://www.nasa.gov/centers/marshall/news/background/facts/astp.html

 

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