快好知 kuaihz


meteoritics造句
1. Many distorted fragments of meteoritic iron are later dredged up from the area where the wreckage fell. 2. From time to time Earth suffers bombardment from meteors and comets, and meteoritic impact has been a major planet-shaper and climate-modeller. 3. The high nickel content of meteoritic iron emerged at about this time as an accepted indicator of nonterrestrial origin. 4. Their chemical and isotopic compositions are meteoritic and they have had long histories of flight through space. 5. For centuries the Ensisheim fall remained the only case in which eyewitness reports of a fall were combined with preserved meteoritic material. 6. One class of asteroids found in that region has the reflection spectrum of meteoritic metal and is called the M class. 7. The new meteorite research is featured in 20 papers published this week in an issue of the Meteoritical Society's journal Meteoritics and Planetary Science.