Topic Reading-Vol.3042-8/9/2020

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Topic Reading-Vol.3042-8/9/2020

英語で世界を知ろう!Topic Reading

2020/08/09 Topic Reading-Vol.3042-8/9/2020

Dear MEL Topic Readers,

The long road to returning first-ever samples from Mars

Is it worth spending billions of dollars to collect dirt samples from Mars’s surface and bring them back to Earth? It seems so. Since Mars has no tectonic or volcanic activities, not to mention the meteorological or aquatic influences like Earth, things and traces of potential lives once might have existed on the surface billions of years ago are expected to be preserved. So, NASA recently launched a rocket to send Perseverance rover to Mars to collect samples on an ancient lade bed and river delta, where lives might have existed three to four billion years ago. Five years after Perseverance’s landing on Mars, NASA and European Space Agency will cooperatively launch the Mars Ascent Vehicle lander and rocket to fetch the samples. It seems like a very complicated and nail-biting mission. First, the samples collected by Perseverance will be transferred to the ascent vehicle. Then, the vehicle will be launched to rendezvous with an ESA spacecraft orbiting Mars in 2028. Once the ESA orbiter catches the samples, it will head back toward Earth and pass the samples to an entry vehicle that will be orbiting Earth. The sample containers will finally land on Earth in 2031. And that’s not the end. Some of the samples will be preserved for scores of years to be better analyzed in the future when more advanced analysis will be made. What a long-scope project it is!

Enjoy reading the article and learn a mission that is cooperated by many and in the future.

https://edition.cnn.com/2020/08/01/world/mars-mission-samples-scn/index.html

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