Fig. 2 | Scientific Reports

Fig. 2

From: Airspace closures due to reentering space objects

Fig. 2

Number of aircraft in the sky throughout the first day of each month in 2023, sampled hourly. In general, the number of aircraft peaks in the Northern Hemisphere summer, though other periodic effects such as the day of the week and year (e.g., New Year’s Day) will also affect the number.

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