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Saturday, October 23, 2021

Các phi hành gia sẽ trở lại mặt trăng, Nasa có ý đồ gì?

Theo thông tin của Bill Harwood, nhà phân tích không gian của CBS News, cho biết rằng NASA đang có kế hoạch đưa các phi hành gia Mỹ trở lại mặt trăng sau gần 50 năm sau khi phi hành gia Apollo cuối cùng đặt chân lên mặt trăng vào năm 1972.

Chính quyền Trump đã kêu gọi NASA đưa các phi hành gia trở lại mặt trăng vào năm 2024. Nhưng Harwood đã mô tả mục tiêu năm 2024 là ” thực sự lớn” và ông còn nhấn mạnh thêm rằng “Tất cả đều phụ thuộc vào kinh phí”. Do đó nhiều khả năng chuyến hạ cánh đầu tiên sẽ diễn ra vào gần năm 2025 hoặc 2026.

Hệ thống Phóng Không gian đầu tiên sẽ ra mắt vào cuối năm nay trên một chuyến bay đầu tiên không có người lái, gửi một khoang Orion trong suốt chuyến đi dài vòng quanh mặt trăng. Chuyến bay thử nghiệm thứ hai sẽ được tiến hành vào năm 2023 với bốn phi hành gia trên tàu để khoang Orion vượt qua tốc độ của nó trước khi nỗ lực hạ cánh trong sứ mệnh Artemis 3.

Harwood còn nói rằng NASA sẽ nhắm mục tiêu hạ cánh các phi hành gia gần cực nam của mặt trăng, nơi nghi là có băng. Và ông cho biết: “Ý tưởng này là hỗ trợ việc thăm dò dài hạn, khai thác tài nguyên của mặt trăng và có thể sử dụng nó như một cơ sở để tổ chức cho các chuyến bay cuối cùng đến sao Hỏa”.

Nhưng ông cảnh báo rằng việc du hành lên mặt trăng là “không dễ dàng”, mặc dù lần đầu tiên các phi hành gia đặt chân lên nó cách đây nhiều thập kỷ. Ông khẳng định rằng “Đây là một việc đầy thách thức và nó rất tốn kém, và nó có một số rủi ro.

Harwood cũng thảo luận về mục tiêu cuối cùng là sao Hỏa với miêu tả “là hành tinh giống Trái đất nhất trong hệ mặt trời cho đến nay.” Ông còn chỉ ra những lý do mà sao hỏa được cho là tương thích với việc duy trì sự sống của con người là: “Sao Thủy không có không khí, Sao Kim là “lò nướng bánh pizza” và các mặt trăng với lượng khí đốt khổng lồ là rất khó khăn để có thế hạ cánh xuống đó đặc biệt “trong lĩnh vực khoa học viễn tưởng ngay bây giờ.”

Ông cho biết đây là công việc cần được tiến hành lâu dài vì thuộc địa hóa sao Hỏa không nằm chính xác trên đường chân trời của chúng ta trong 20 hoặc thậm chí 50 năm tới; nó có thể mất hàng thế kỷ.

( Bài viết được dịch từ CBS News).


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