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 9
الصفحة 8
... speed , mass and friability of the meteoroid . Very small objects burn up as meteors or shooting stars , but the ... speeds , the fireball is extinguished and the residue falls under gravity to become a meteorite . The last melted ...
... speed , mass and friability of the meteoroid . Very small objects burn up as meteors or shooting stars , but the ... speeds , the fireball is extinguished and the residue falls under gravity to become a meteorite . The last melted ...
الصفحة 14
... 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 . Speed , however , can only be measured from ...
... 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 . Speed , however , can only be measured from ...
الصفحة 15
... speed of the object will be its speed in interstellar space plus the speed caused by the Sun's gravity - the escape velocity . Thus , anything coming into the Solar System from outside will travel faster than the escape velocity ...
... speed of the object will be its speed in interstellar space plus the speed caused by the Sun's gravity - the escape velocity . Thus , anything coming into the Solar System from outside will travel faster than the escape velocity ...
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