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Shuttle radar topography mission

research effort to generate a digital topographic database of Earth

Pronunciation
/ˈʃədl ˈreɪˌdɑr təˈpɑɡrəfi ˈmɪʃən/
/ˈʃʌtəl ˈreɪdɑː təˈpɒɡrəfi ˈmɪʃən/