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 13
الصفحة 4
... diameter . They have been found in the clay beneath the oceans remote from land and in ice from Antarctica and Greenland . Interplanetary dust particles are irregular in shape and less than two - thousandths of an inch in size . From ...
... diameter . They have been found in the clay beneath the oceans remote from land and in ice from Antarctica and Greenland . Interplanetary dust particles are irregular in shape and less than two - thousandths of an inch in size . From ...
الصفحة 8
... diameter may be enveloped in a moving ball of incandescent gas of some 200 yards diameter . This is caused by melting and vaporization of the surface of the meteoroid by frictional heat and by the passage of the object giving the air an ...
... diameter may be enveloped in a moving ball of incandescent gas of some 200 yards diameter . This is caused by melting and vaporization of the surface of the meteoroid by frictional heat and by the passage of the object giving the air an ...
الصفحة 37
... ( diameter 300 miles ) . Pallasites formed at a late stage in the melting process that caused metal to sink to form the molten core . We think that cooling , contraction and cracking in the overlying olivine - rich stony mantle led to the ...
... ( diameter 300 miles ) . Pallasites formed at a late stage in the melting process that caused metal to sink to form the molten core . We think that cooling , contraction and cracking in the overlying olivine - rich stony mantle led to 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