#المريخ #spacex #اقتصاد_الكوكب

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للتواصل Eqkawkab@gmail.com

المصادر: - https://www.theverge.com/2017/1/19/14211964/obama-administration-nasa-legacy-private-sector-moon-vs-mars

https://news.psu.edu/story/574642/2019/05/16/science-and-technology/3d-printed-mars-habitat-team-has-breakthrough

https://3dprint.com/245430/penn-state-creates-a-breakthrough-3d-printing-technology-for-the-nasa-housing-challenge/

https://nasainarabic.net/main/articles/view/infinitely-recyclabl-polymer-shows-practical-properties-of-plastics