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
solar activity follows an 11-year
solar cycle?
Did you know that the ancient Greeks revered Gaea as the Earth goddess, and that she was the mother of the Titans and the first humans?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
OoidsxOoids : Small (< 2 mm), spheroidal, layered sedimentary grains, usually composed of calcium carbonate, but sometimes made up of iron- or phosphate-based minerals.
Click on the word to find out!
Research Highlights
Current observational tools cannot account for roughly half of the heat that is believed to have built up on Earth in recent years, according to a "Perspectives" article in this week's issue of the journal...
Read more![](/olpa/images/missing_heat1_h.jpg)