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. |
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النتائج 1-3 من 21
الصفحة 38
... fragments . Note the bright metal " slugs " and the dark , often angular stony fragments . The large central stony fragment includes a metal vein ( arrow ) . 45b Stony material in the Estherville mesosiderite , viewed down the ...
... fragments . Note the bright metal " slugs " and the dark , often angular stony fragments . The large central stony fragment includes a metal vein ( arrow ) . 45b Stony material in the Estherville mesosiderite , viewed down the ...
الصفحة 39
... fragments from a variety of Sources . Evidence for the mixing of planetary material in the distant past is obtained from the study of ancient lunar " soils , " 46 Cut interior surface of one of the fragments of the Barwell ...
... fragments from a variety of Sources . Evidence for the mixing of planetary material in the distant past is obtained from the study of ancient lunar " soils , " 46 Cut interior surface of one of the fragments of the Barwell ...
الصفحة 43
... fragments fly apart with great energy . As a fragment ploughs through a crystal it damages the crystalline structure along a cylindrical trail . When the crystal is etched , the trail corrodes more readily than the undamaged crystal and ...
... fragments fly apart with great energy . As a fragment ploughs through a crystal it damages the crystalline structure along a cylindrical trail . When the crystal is etched , the trail corrodes more readily than the undamaged crystal and ...
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