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1أخبار
المؤلفون: Dillow, Gordon L.
المصدر: Wall Street Journal - Online Edition. 2019, p1. 1p.
مصطلحات موضوعية: *ASTEROID detection, *IMPACT of asteroids with Earth, *CASCADE impactors (Meteorological instruments), *DRONE aircraft
الشركة/الكيان: UNITED States. National Aeronautics & Space Administration
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2أخبار
المؤلفون: Bhanoo, Sindya N.
المصدر: New York Times. 4/3/2012, Vol. 161 Issue 55730, p3. 0p.
مصطلحات موضوعية: *METEOROIDS, *EARTH sciences, *CASCADE impactors (Meteorological instruments), *PREDICTION models, *MOON, LUNAR research