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 24
الصفحة 8
... produce multiple trails as they are destroyed when they are still 50 or 55 miles up . Tough objects weighing more than about a quarter of an ounce produce fireballs and some material may survive to lower altitudes . Larger objects produce ...
... produce multiple trails as they are destroyed when they are still 50 or 55 miles up . Tough objects weighing more than about a quarter of an ounce produce fireballs and some material may survive to lower altitudes . Larger objects produce ...
الصفحة 25
... produced by melting inside an asteroid . There are also twelve stones that came from the Moon and ten ( including four observed falls ) that 4697O probably came from Mars . Most achondrites are chemically similar to basalts , the most ...
... produced by melting inside an asteroid . There are also twelve stones that came from the Moon and ten ( including four observed falls ) that 4697O probably came from Mars . Most achondrites are chemically similar to basalts , the most ...
الصفحة 53
... produced by nuclear reactions in different , mainly red giant , stars about 100 million years before the Solar System formed . It is exciting to think that some stars produce diamonds in the sky , through the formation of dust in their ...
... produced by nuclear reactions in different , mainly red giant , stars about 100 million years before the Solar System formed . It is exciting to think that some stars produce diamonds in the sky , through the formation of dust in their ...
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