Satellite Data

Wednesday, Apr 8, 2026 | 1 minute read | Updated at Wednesday, Apr 8, 2026

Emmanuel Decena

When we take pictures, we talk about the resolution of the camera.

When we take satellite images, we talk about the resolution of the image itself!

Ground sample: when we project the pixels taken by the satellite onto the ground, how big would the pixels be?

https://www.youtube.com/watch?v=xy5qR0cBFGs Clouds:

  • Synthetic aperture radar

Timing:

  • satellite data are just snapshots
  • you cannot see fast moving objects, perhaps infantry or military assets/tanks

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