NASAのインスタグラム(nasagoddard) - 7月23日 23時45分

NASA's Landsat Satellite Celebrates 40 Years Observing Earth - The Landsat program is the longest continuous global record of Earth observations from space – ever. Since its first satellite went up in the summer of 1972, Landsat has been looking at our planet. The view of Earth that this 40-year satellite program has recorded allows scientists to see, in ways they never imagined, how the Earth's surface has transformed, over time. #nasa #landsat #usgs #earth #space

[BIHAKUEN]UVシールド(UVShield)

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