Which feature of NASA's iconic 'meatball' logo represents the agency's focus on aeronautics and space flight?

The astronomy industry features several iconic organizations with distinctive logos that represent our quest to understand the cosmos. These symbols often incorporate celestial elements, scientific instruments, or abstract representations of space phenomena. One particular organization's logo has become synonymous with space exploration and astronomical discovery. Test your knowledge about the visual identity of one of astronomy's most prominent institutions!

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The red chevron or 'vector'
The white stars in the blue sphere
The circular blue background
The white NASA lettering