Hệ mét đã khó hiểu lắm rồi

2 thiên thạch to bằng 22 con chim cánh cụt hoàng đế sẽ bay qua Trái Đất tuần này... :D

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Two small asteroids each around the size of 22 emperor penguins stacked nose to toes are set to fly past the Earth this weekend. 

The asteroids in question have been designated 2023 AT and 2023 AE1, according to the Center for Near-Earth Object Studies (CNEOS) at NASA's Jet Propulsion Laboratory (JPL).

In addition, as their name implies, both of these asteroids were discovered relatively recently, both of them being discovered and designated by scientists within the first 15 days of the new year.

For comparison, consider the emperor penguin, the largest and proudest of the humble penguin species. These Antarctic-native flightless birds measure around 100 centimeters (or one meter) in height as adults. This means that asteroids 2023 AT and 2023 AE1 are each roughly 10-22 emperor penguins in diameter.