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 9
... Tiny or friable particles burn up high in the atmosphere as meteors . Larger , friable or high - velocity objects survive to lower altitudes , but also are destroyed . Tough , low - velocity objects are decelerated and fall under ...
... Tiny or friable particles burn up high in the atmosphere as meteors . Larger , friable or high - velocity objects survive to lower altitudes , but also are destroyed . Tough , low - velocity objects are decelerated and fall under ...
الصفحة 21
... tiny crystals of diamond and silicon. STONY METEORITES : CHONDRITES Almost 90 percent of the meteorites seen to fall are chondrites , as are most of those found in Antarctica . These are stony types that , with few exceptions , contain ...
... tiny crystals of diamond and silicon. STONY METEORITES : CHONDRITES Almost 90 percent of the meteorites seen to fall are chondrites , as are most of those found in Antarctica . These are stony types that , with few exceptions , contain ...
الصفحة 22
... tiny amounts of dust that formed in the atmospheres of stars , so the meteorites do retain a record of a nebular phase . 27 Chondrules of the Sharps chondrite , under the microscope with polarized light ( 0.1 of an inch across ) . The ...
... tiny amounts of dust that formed in the atmospheres of stars , so the meteorites do retain a record of a nebular phase . 27 Chondrules of the Sharps chondrite , under the microscope with polarized light ( 0.1 of an inch across ) . 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 IAB Halley's Comet highlands howardites igneous rocks IIAB 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