Tiểu hành tinh tiến đến gần Trái đất

Tiểu hành tinh tiến đến gần Trái đất


Cơ quan hàng không và vũ trụ Mỹ (NASA) vừa cảnh báo tiểu hành tinh 2002 AJ129, kích thước tương đương với một tòa nhà chọc trời, đang tiến gần Trái đất.


Tiểu hành tinh tiến đến gần Trái đất

Thời điểm gần nhất của thiên thể này với hành tinh chúng ta sẽ là ngày 4-2, nhưng vào thời điểm đó tiểu hành tinh vẫn còn cách xa hơn 10 lần so với khoảng cách từ Trái đất đến Mặt trăng. Theo những đánh giá khác nhau, kích thước của tiểu hành tinh này thay đổi từ 0,5 đến 1,2km, còn tốc độ khoảng 34km/giây.

Các nhà khoa học nhấn mạnh, mặc dù tiểu hành tinh 2002 AJ129 được định tính như là “mối nguy tiềm ẩn” nhưng xác suất va chạm của nó với Trái đất là bằng 0.


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