The Great Extinction |
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Page 66
... produce a very large though short - lived , since it would not survive the impact magnetic field . It is entirely possible that such a violent magnetic shock would cause the Earth's field to alter and perhaps to change polarity ...
... produce a very large though short - lived , since it would not survive the impact magnetic field . It is entirely possible that such a violent magnetic shock would cause the Earth's field to alter and perhaps to change polarity ...
Page 134
... produce either a cooling or a warming of the ground surface . This can be confusing because it seems to contradict common sense . If you are out of doors on a day of hazy sunshine , you will feel cooler than you would feel if the Sun ...
... produce either a cooling or a warming of the ground surface . This can be confusing because it seems to contradict common sense . If you are out of doors on a day of hazy sunshine , you will feel cooler than you would feel if the Sun ...
Page 135
... produce nitrates and nitric acid . Nitric oxide can also react to produce nitrogen dioxide in the presence of ozone . Nitrogen dioxide absorbs short - wave radiation , decomposing as it does so into nitric oxide and atomic oxygen ...
... produce nitrates and nitric acid . Nitric oxide can also react to produce nitrogen dioxide in the presence of ozone . Nitrogen dioxide absorbs short - wave radiation , decomposing as it does so into nitric oxide and atomic oxygen ...
Contents
Introduction | 9 |
A Body Has Been Found | 13 |
Clues from the Clays | 24 |
Copyright | |
10 other sections not shown
Common terms and phrases
65 million acid aerosols Alvarez amount angiosperms archosaurs atoms biological birds body boundary clays carnivores catastrophe caused chemical climate cloud comet concentrations continental cool crater crust dense dinosaurs disappeared dust Earth effect eggs elements energy entered the atmosphere environment eruption event evolved exist explosion fish formed fossils galaxy Gubbio habitat happened heat hemisphere herbivores homoiothermic human increase iridium iridium and osmium isotopes kilometres per second Krakatoa land latitudes layer less magnetic field mammals mass material metals meteorites metres microorganisms million years ago Mount St Helens move nitrogen noble metals North Atlantic occurred ocean orbit osmium ovoviviparous oxides oxygen ozone particles perhaps planetesimal planetesimal impact plants plasma poikilotherms possible probably produce pterosaurs radiation remains reptiles rock seabed soil solar system solid species stratosphere supernova surface survived temperature terrestrial Tertiary tropopause troposphere viviparous volcanic warm waves