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 42
الصفحة 1
... Earth from space . Their arrival may be heralded by a ball of light followed by sonic booms . More rarely , their impact . may be explosive enough to alter the course of Earth history . Some meteorites are similar to volcanic rocks on Earth ...
... Earth from space . Their arrival may be heralded by a ball of light followed by sonic booms . More rarely , their impact . may be explosive enough to alter the course of Earth history . Some meteorites are similar to volcanic rocks on Earth ...
الصفحة 7
... Earth , so the difference in speed between the Earth and such bodies during an encounter is small , that is , only a few miles per second . The slower the speed on encounter , the greater the chance of material surviving to the Earth's ...
... Earth , so the difference in speed between the Earth and such bodies during an encounter is small , that is , only a few miles per second . The slower the speed on encounter , the greater the chance of material surviving to the Earth's ...
الصفحة 14
... Earth . This requires knowledge of the direction and speed of each meteoroid during atmospheric flight . The rough direction can be deduced from at least ten sightings by reliable observers distributed on both sides of the flight - path ...
... Earth . This requires knowledge of the direction and speed of each meteoroid during atmospheric flight . The rough direction can be deduced from at least ten sightings by reliable observers distributed on both sides of the flight - path ...
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