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 8
الصفحة 28
... samples of lunar soil . Mare and highland regions on the near side of the Moon have been sampled and we now know that it has neither atmosphere nor water and that it has always been dry . Rocks from the mare regions are dark basalts ...
... samples of lunar soil . Mare and highland regions on the near side of the Moon have been sampled and we now know that it has neither atmosphere nor water and that it has always been dry . Rocks from the mare regions are dark basalts ...
الصفحة 29
... samples . Because there is no atmosphere to slow down falling objects , even the tiniest micrometeorites strike the Moon at cosmic speeds . All impacting objects , regardless of their size , are vaporized by the energy of the collision ...
... samples . Because there is no atmosphere to slow down falling objects , even the tiniest micrometeorites strike the Moon at cosmic speeds . All impacting objects , regardless of their size , are vaporized by the energy of the collision ...
الصفحة 58
... samples may be returned to Earth from Mars and from a comet , and we 71 71 The biggest meteorite found in the MacAlpine Hills , Antarctica , during the 1988-89 field season . A party of eight recovered 1,078 meteorites in six weeks on ...
... samples may be returned to Earth from Mars and from a comet , and we 71 71 The biggest meteorite found in the MacAlpine Hills , Antarctica , during the 1988-89 field season . A party of eight recovered 1,078 meteorites in six weeks on ...
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