Explore Physics of Space Weather
![](/images/icons/physics_startingpts.jpg)
Some basic concepts find applications in many, many places throughout science, especially physical ...
Read more
![](/images/icons/physics_mechanics.jpg)
Mechanics is the term used to refer to one of the main branches of the science of physics. ...
Read more
![](/images/icons/physics_em.jpg)
Electricity and magnetism are two closely related and very important topics within the science ...
Read more
![](/images/icons/physics_thermal.gif)
The scientific field of thermal physics is concerned with heat and temperature. When we delve ...
Read more
![](/images/icons/physics_atomic.gif)
Atoms and the minute particles from which they are made strongly influence the nature of many ...
Read more
![](/images/icons/physics_tools.gif)
Some concepts are used in many different fields of science and serve as a general purpose "toolbox" ...
Read more
Did you know?
Did you know that
Earth's magnetic poles are not the same as Earth's geographic poles? Find out more with our
North magnetic pole interactive!
Do you know what a circumpolar constellation is?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
CirquexCirque : A semicircular basin excavated by glaciers in mountain top regions; may contain a lake
Click on the word to find out!
Research Highlights
Marine scientists long believed that a microbe called Trichodesmium, a member of a group called the cyanobacteria, reigned over the ocean's nitrogen budget. New research results reported on-line today...
Read more![](/olpa/images/microbe1_sm.jpg)