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 7
الصفحة 20
... 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 become igneous rocks similar to basalt ...
... 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 become igneous rocks similar to basalt ...
الصفحة 25
... liquids . Dense , metal - rich liquids sank to become planetary or asteroidal cores . Stony liquids rose and solidified to become basaltic rocks , enriched in calcium and aluminum . The stony material left behind was impoverished in ...
... liquids . Dense , metal - rich liquids sank to become planetary or asteroidal cores . Stony liquids rose and solidified to become basaltic rocks , enriched in calcium and aluminum . The stony material left behind was impoverished in ...
الصفحة 51
... liquid water . It is a matter for speculation whether liquid water could have existed in a cometary nucleus or on a small asteroid . This is because heating in small bodies with low gravity would cause water ice to evaporate ; that is ...
... liquid water . It is a matter for speculation whether liquid water could have existed in a cometary nucleus or on a small asteroid . This is because heating in small bodies with low gravity would cause water ice to evaporate ; that is ...
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