several dozen people stand in front of a stack of three large satellites inside a large, white-walled room - 晨昏线航天

several dozen people stand in front of a stack of three large satellites inside a large, white-walled room — several dozen people stand in front of a stack of three large satellites inside a large, white-walled room 图：Space.com

署名图：Space.com

原始出处space.com

尺寸1920 × 1080 · JPG

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