Prompt Landsat MSS, TM, and ETM+ use which scanning geometry?

Choices (one per line; prefix correct one with * ) * Across-track (whiskbroom, discrete detectors + mirror) Along-track (pushbroom, linear array) Staring array Conical scan

Plain English answer (default view) — what you'd actually write on the test

🔬 Technical version / model bullets (revealed on click) — one bullet per line Landsat 8/9 OLI is the first Landsat pushbroom.

💡 Mnemonic / memory aid (shown on hover)