What is a Mars launch window? – CGTN

2020 is called the year of Mars as there are three missions poised to launch toward the red planet, including NASA’s Perseverance, the United Arab Emirates’ first-ever interplanetary Hope Mars mission, and China’s first Mars exploration mission-Tianwen 1.
But have you ever considered why the launch windows for all the three missions have been set from mid-July to mid-August? Why can’t they launch their spacecraft in other months?
Timing is everything, especially when you want to send a spacecr…

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