NASAのインスタグラム(nasagoddard) - 5月12日 00時53分

This is a photo of one of the James Webb Space Telescope's (#JWST) primary mirror segments coated with gold by Quantum Coating Incorporated. It is not a flight segment, it's the engineering design unit. #nasa #nasagoddard #space

[BIHAKUEN]UVシールド(UVShield)

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