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 11
الصفحة 4
... micrometeorites . Their small size allows heat to radiate away from them so they are not melted during their passage through the atmosphere . They retain the form they had in ... MICROMETEORITES What are meteorites? 2468 Micrometeorites.
... micrometeorites . Their small size allows heat to radiate away from them so they are not melted during their passage through the atmosphere . They retain the form they had in ... MICROMETEORITES What are meteorites? 2468 Micrometeorites.
الصفحة 16
... micrometeorites contribute perhaps 30,000 tons of material to the Earth annually . This is not a significant addition to the mass of the Earth ( 6.58 x 1021 tons ) over the 4,550 million years of its existence . Many meteoroids break up ...
... micrometeorites contribute perhaps 30,000 tons of material to the Earth annually . This is not a significant addition to the mass of the Earth ( 6.58 x 1021 tons ) over the 4,550 million years of its existence . Many meteoroids break up ...
الصفحة 59
... Micrometeorites that underwent little heating in atmospheric flight . Interstellar cloud Region in space where gas ... Micrometeorite Tine meteorite ; most are smaller than 0.04 of an inch . Mineral Natural substance in which the atoms ...
... Micrometeorites that underwent little heating in atmospheric flight . Interstellar cloud Region in space where gas ... Micrometeorite Tine meteorite ; most are smaller than 0.04 of an inch . Mineral Natural substance in which the atoms ...
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