Research categories ... Rich in iron and nickel, Earth is a dense, molten oblate
sphere with a solid core and a thin outer crust . ... Unlike the outer planets, which
are composed mainly of light gases, Earth is made of heavy elements such as
Get information, facts, photos, news, videos, and more about planet Earth and its
role in the solar system from National Geographic.
Apr 2, 2014 ... Our planet is changing on all spatial and temporal scales. ... Earth science
research can ascertain whether and how the Earth can sustain this ...
Explore our beautiful home planet, its atmosphere, climate, life and other features
through the links in this section of Windows to the ... Earth, our home planet, is a
beautiful blue and white ball when seen from space. ... Research Highlights.
Dec 1, 2015 ... University of Leicester researchers reveal how Earth's oxygen could ... warming
disaster could suffocate life on planet Earth, research shows.
May 12, 2016 ... Contact us · About us · NERC Planet Earth Online ... Planet Earth magazine cover
... Search. © Natural Environment Research Council 2015.
Download a PDF of "Defending Planet Earth" by the National Research Council
for free. Description: The United States spends approximately $4 million each ...
Dec 1, 2015 ... ... life on planet Earth than flooding, according to researchers from the University
... disaster could suffocate life on planet Earth, research shows.
National Research Council. Defending Planet Earth: Near-Earth Object Surveys
and Hazard Mitigation Strategies. Washington, DC: The National Academies ...
Questions about the origin and nature of Earth and the life on it have long
preoccupied human thought and the scientific endeavor. Deciphering the planet's