MeteoritesSterling Pub., 1993 - 60 من الصفحات "A wonderful resource....Students will be drawn to read and investigate....The text is direct, interesting, and free of mind-numbing chemistry and physics formulas that so often deter YAs from further investigation....An exceptionally well-done summary."-- "SLJ . "Well-written and nicely illustrated....The technical quality of the book is very good...."-- "Science Bks & Films, a starred review . 60 pages (all in color), 8 1/4 x 7 7/8. |
من داخل الكتاب
النتائج 1-3 من 17
الصفحة 8
... caused by melting and vaporization of the surface of the meteoroid by frictional heat and by the passage of the ... causes increased deceleration . If material survives to subsonic speeds , the fireball is extinguished and the residue ...
... caused by melting and vaporization of the surface of the meteoroid by frictional heat and by the passage of the ... causes increased deceleration . If material survives to subsonic speeds , the fireball is extinguished and the residue ...
الصفحة 20
... caused metal to sink and molten stony liquid to rise , like iron and slag in a blast furnace . The metal became concentrated in asteroidal ( or planetary ) cores , the source of many iron meteorites , and the stony liquids cooled to ...
... caused metal to sink and molten stony liquid to rise , like iron and slag in a blast furnace . The metal became concentrated in asteroidal ( or planetary ) cores , the source of many iron meteorites , and the stony liquids cooled to ...
الصفحة 57
... causes of enhanced biological change . Volcanism may have been involved , especially at the end of the Cretaceous , when huge eruptions occurred in India . In addition , if impact had caused the change that marks the end of the ...
... causes of enhanced biological change . Volcanism may have been involved , especially at the end of the Cretaceous , when huge eruptions occurred in India . In addition , if impact had caused the change that marks the end of the ...
المحتوى
Introduction | 1 |
How do meteorites get here? | 8 |
Where do meteorites come from? | 14 |
حقوق النشر | |
3 من الأقسام الأخرى غير ظاهرة
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
anorthosite Antarctica Apollo astroblemes atmospheric flight basaltic basaltic achondrites basaltic rock blue ice bombardment bright fireball calcium carbonaceous chondrite caused chemical elements chondrites contain chondrules cometary composed cooled core Cosmic spherules crater crystals dark decay feldspar fell formation age fragments fusion crust gravity group IIAB Halley's Comet highlands howardites igneous rocks inches indicates interplanetary dust interstellar cloud iridium iron meteorites iron-nickel metal land on Earth liquid lunar magnesium mare Mars melting mesosiderites Meteor meteorite falls meteorite impact meteorite landed meteorite shower meteoroid micrometeorites million years ago mineral grains molten Moon nebula objects observed occurred olivine orbit palladium Pallasites parent asteroid particles percent nickel planetary planets formed plutonium produced pyroxene radioactive aluminum samples silicate SNC meteorites Solar System solar wind solidified sonic booms space speed stars stone stony material stony meteorite stony minerals Stony-iron meteorite sulfide Sun and planets supernova surface temperature Widmanstätten pattern