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?
Do you know what causes the
different
phases of the Moon?
Did you know that Zephyr was the Greek god of the west wind?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
MohoxMoho : The boundary between the crust and the mantle in the earth. This is a depth where seismic waves change velocity and there is also a change in chemical composition. Also termed the Mohorovicic' discontinuity after the Croatian seismologist Andrija Moh
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)