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 12
الصفحة 28
... dark areas ( Fig . 34 ) . In the past it was thought , wrongly , that the dark areas were covered by water , so they were named seas , or maria . The lighter areas were termed highlands or terrae . It was later observed that no clouds ...
... dark areas ( Fig . 34 ) . In the past it was thought , wrongly , that the dark areas were covered by water , so they were named seas , or maria . The lighter areas were termed highlands or terrae . It was later observed that no clouds ...
الصفحة 39
... dark chondrite . The dark chondrite has an age of 1,300 million years , which may be the time of mixing of the two types . The inclusion is 1.5 inches long . 48 The Bencubbin , Western Australia , stony - iron meteorite ( 2.75 inches ...
... dark chondrite . The dark chondrite has an age of 1,300 million years , which may be the time of mixing of the two types . The inclusion is 1.5 inches long . 48 The Bencubbin , Western Australia , stony - iron meteorite ( 2.75 inches ...
الصفحة 47
... dark object , with hammer , at lower left . Because the fjord is free of ice for only a few weeks in the year , recovery of the meteorite , now in Copenhagen , was very difficult . 55b Polished and etched part of a slice of the same ...
... dark object , with hammer , at lower left . Because the fjord is free of ice for only a few weeks in the year , recovery of the meteorite , now in Copenhagen , was very difficult . 55b Polished and etched part of a slice of the same ...
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