essential
likely
maybe
probably not
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Landsat 7 ETM+ โ what it added vs. TM?
Plain English (default view) โ short, conversational, lightly seasoned with science
๐ฌ Scientific / formula (revealed on click) โ markdown + $$โฆ$$ ok
Two upgrades over the older TM: - ๐ฉถ **New panchromatic band** โ 0.52โ0.90 ยตm at **15 m** - Enables **pan-sharpening** (fuse 30 m MS with 15 m pan โ 15 m color) - ๐ฅ **Thermal improved** โ 120 m โ **60 m** - Other VSWIR bands unchanged at **30 m**
๐ก Mnemonic / memory aid (shown on hover)
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