聽讀英文 – 科學與科技:火星任務 Sending people to Mars (音)|貝塔語測
聽讀英文 – 科學與科技:火星任務 Sending people to Mars (音)

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By  Quentin Brand

Script 閱讀文本

Few endeavors capture the imagination quite like the prospect of sending a human being to Mars. The Red Planet, with its barren landscapes and enigmatic history, has beckoned us for decades, promising to reveal the secrets of our solar system and perhaps even harbor the potential for a second home. However, the journey from Earth to Mars is fraught with challenges that are as daunting as they are fascinating. 

One of the most formidable challenges lies in the sheer distance between Earth and Mars. At their closest, the two planets are still around 34.8 million miles apart. This distance introduces numerous complications, including the need for advanced propulsion systems capable of sustaining human life for months, if not years, and shielding astronauts from the hazardous effects of cosmic radiation during the journey. Developing a spacecraft that can safely and efficiently navigate this vast expanse is no small feat. 

The journey to Mars is likely to take several months, and once astronauts arrive, they’ll face another formidable obstacle: isolation. Unlike the relatively short missions to the Moon, a Mars mission would involve extended periods of time without the possibility of immediate rescue or resupply. Ensuring that the spacecraft is equipped with reliable life support systems capable of recycling resources and maintaining crew well-being over such extended periods is paramount. 

Even if the spacecraft successfully reaches Mars, the challenges are far from over. The process of entering the Martian atmosphere, descending, and landing safely has been aptly dubbed the “7 minutes of terror.” Mars has a thinner atmosphere compared to Earth, making aerodynamic braking and parachute-assisted landings incredibly complex. Recent rovers like Curiosity and Perseverance have employed innovative sky-crane systems, but scaling up this technology for a crewed mission introduces a host of uncharted variables. 

Mars isn’t exactly a hospitable place for humans. Its harsh environment is characterized by extreme temperatures, thin atmosphere, and high levels of radiation. Protecting astronauts from these challenges requires advanced spacesuit technology, habitat design that can withstand the Martian conditions, and thorough preparation for potential emergencies, such as equipment malfunctions or medical issues. 

A journey to Mars isn’t just a test of physical endurance; its also a trial of mental and emotional resilience. Astronauts will face isolation, confinement, and the psychological strain of being cut off from their loved ones and the familiar comforts of Earth. Additionally, prolonged exposure to microgravity can lead to various physiological changes, including muscle atrophy and bone density loss. 

In conclusion, the vision of sending a human to Mars is undoubtedly a testament to human ingenuity and determination. However, the challenges are immense and multifaceted, ranging from technological hurdles to the psychological well-being of the crew. As space agencies and private companies continue to push the boundaries of exploration, it’s clear that the journey to Mars is not just about reaching a distant planet, but about conquering the limits of human potential. Only time will tell if humanity is up to the task of making this interplanetary dream a reality.

Translation 中文翻譯
最艱鉅的挑戰之一在於地球和火星之間的遙遠距離。 兩顆行星最接近時的距離仍約為 3,480 萬英里。這距離帶來了許多複雜性,包括需要能夠維持人類生命數月甚至數年的先進推進系統,並保護太空人在旅途中免受宇宙輻射的危險影響。 開發能夠安全有效地在這片廣闊太空區域航行的太空船絕非易事。 
即使太空船成功抵達火星,挑戰仍然遠未結束。進入火星大氣層、下降和安全著陸的過程被稱為「恐怖 7 分鐘」。與地球相比,火星的大氣層更稀薄,這使得空氣動力煞車和降落傘輔助著陸變得極為複雜。最近的探測器,如好奇號和毅力號,已經使用了創新的起重機系統,但將這項技術擴展到載人任務中會帶來許多未知的變數。 
總而言之,將人類送上火星的願景無疑證明了人類的智慧和決心。 然而,挑戰是巨大且多方面的,從技術障礙到太空人的心理健康。 隨著航太機構和私人公司不斷突破探索的界限,很明顯,火星之旅不僅僅是到達一個遙遠的星球,而是征服人類潛力的極限。 只有時間才能證明人類是否有能力實現這個星際夢想。 
※ Quentin老師閱讀文本外,另有補充對於本篇主題的個人觀點與讀者分享,請仔細聆聽,並思考自己的想法。※
In the last paragraph, the word ‘hurdle’ means difficulty. We use it when we want to describe that there are some obstacles in the way to achieving something. Here are some more sentences using the word. 
‘The team of scientists and engineers worked tirelessly to overcome every technical hurdle in designing the intricate life support systems required for prolonged space travel.’ 
‘The project faced several financial hurdles, but the teams resourcefulness helped them secure the necessary funding.’
IRT 作題評量,診斷學習強弱

Q1: What is the main topic of the article?

A. Mars

B. space travel

C. the difficulties of sending people to Mars


Q2: In the first paragraph, what does the word ‘daunting’ mean?

A. very difficult

B. numerous

C. impossible


Q3: If humans land on Mars, what difficulties will they face?

A. they will miss their loved ones

B. they won’t be able to grow food

C. they won’t be able to get home

Q1: C Q2: A Q3: A

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