Question Title

1. What was the biggest spaceflight event or astronomical discovery in 2020? Think in scale of long term importance and impact, not necessarily just "cool" - 

1 is the most important / impactful and 10 is the least important / impactful!!!

We'll also have these in the video - 
 
Honorable Mentions:
Falcon 9 Milestones [Year of the leans // 7th flight // One rocket flew 5 times // 100th successful launch]
Artemis Astronauts Announced and HLS

In memoriam:
Chuck Yeager
Al Worden
Gerald Carr
Katherine Johnson

Lost Hardware / Programs:
300m Dish at Arecibo Observatory
Dragon 1
H-IIB and (HTV)

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