Near-Earth Object Impact Articles

• Earth Science
  Geology
  Geomagnetic Storms
  Near-Earth Object Impacts
  Stars
  Asteroids, Comets and Meteors
   
  

  Precession of the equinoxes

  The precession of the equinoxes refers to the precession of Earth's axis of rotation with respect to inertial space. The precession of the equinoxes is caused by the differential gravitational forces ... > more
• Earth Science
  Geology
  Near-Earth Object Impacts
  Earthquakes
  Environmental Issues
  Geomagnetic Storms
   
  

  Earth

  Earth often referred to as the Earth, Terra, the World or Planet Earth, is the third planet in the solar system in terms of distance from the Sun, and the fifth largest. It is also the largest of its ... > more
• Volcanoes
  Geology
  Natural Disasters
  Geography
  Caving
  Oceanography
   
  

  Basalt

  Basalt is a common gray to black volcanic rock. It is usually fine-grained due to rapid cooling of lava on the Earth's surface. It may be porphyritic containing larger crystals in a fine matrix, or ... > more
• Volcanoes
  Natural Disasters
  Sports Science
  Geology
  Global Warming
  Early Climate
   
  

  Volcano

  A volcano is an opening (or rupture) in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep below the surface. Volcanic activity involving the extrusion of ... > more
• Civil Engineering
  Geology
  Earthquakes
  Engineering
  Natural Disasters
  Energy Technology
   

  Engineering geology

  Engineering Geology is the application of the science of geology to the understanding of geologic phenomena and the engineering solution of geologic hazards and other geologic problems for ... > more
• Earth Science
  Geology
  Earthquakes
  Environmental Issues
  Climate
  Oceanography
   
  

  Earth science

  Many scientists are now starting to use an approach known as Earth system science which treats the entire Earth as a system in its own right, which evolves as a result of positive and negative ... > more
• Environmental Issues
  Environmental Policy
  Healthy Aging
  Sustainability
  Attention Deficit Disorder
  Environmental Science
   

  Environmental impact assessment

  An Environmental Impact Assessment (EIA) is an assessment of the likely human environmental health impact, risk to ecological health, and changes to nature's services that a project may have. The ... > more
• Dinosaurs
  Extinction
  Geography
  Nature
  Environmental Policy
  Marine Biology
   

  Cretaceous

  The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more
• Volcanoes
  Natural Disasters
  Atmosphere
  Geology
  Tsunamis
  Caving
   
  

  Shield volcano

  A shield volcano is a wide volcano with shallowly-sloping sides. Shield volcanoes are formed by lava flows of low viscosity - lava that flows easily. Consequently, a volcanic mountain having a broad ... > more
• Hurricanes and Cyclones
  Severe Weather
  Storms
  Weather
  Geography
  Rainforests
   
  

  Typhoon Tip

  Typhoon Tip was the most intense and largest tropical cyclone on record. The storm weakened greatly before landfall, but still caused widespread flood damage across most of Japan during the 1979 ... > more

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