Total Visitors
- 5,426,572
Search Inside
My You Tube Channel
Visitors on The Site
-
Join 782 other subscribers
Fill This Form to Contact Me
Top Posts & Pages
- Waste to Energy in India
- About Me and This Site
- Levant: The Term, The Region and Cities
- Migration Theories : Lee’s Push Pull Theory
- Discontinuities Inside the Earth
- Gond Tribe of India
- The Structure of the Ocean Floor(Ocean Topography)
- Geography Notes
- Physical Divisions of North America: An Overview
- Umland: Concept and Overview
Being Social
Pages
- Article Submission
- Basics of Geography
- Book Reviews
- Disaster Management
- Field Training and Tour
- Geography Notes
- Geography of Tourism
- Geography Study Material for NTA-NET & IAS Exams
- Geomorphology
- Geomorphology Class Black Board
- Hindi Posts
- Human Geography
- My Projects
- New UGC NET Syllabus-Geography
- Online Class
- Posts on Geography Practicals and Statistical Techniques
- Regional Studies
- Settlement Geography
- Social Geography
- Urban Agro Systems
- Urban Systems
- Useful Links
- Water Resources
- About Me and This Site
Blogroll
Digital Blackboards
My Pages
Other Sites I Am Involved With
Recommended Links
Useful Links
Category Archives: Solar System
Armillary sphere
An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of the celestial sphere. read on…
Posted in Solar System
1 Comment
Sidereal time
As the Earth rotates from west to east around its axis once every 23 hours 56 minutes, the celestial sphere and all objects on it appear to rotate from east to west around the celestial poles in the same time. … Continue reading
Posted in Solar System
2 Comments
Celestial sphere
In astronomy and navigation, the celestial sphere is an imaginary rotating sphere of “gigantic radius”, concentric and coaxial with the Earth. All objects in the sky can be thought of as lying upon the sphere. Projected from their corresponding geographic … Continue reading
Van Allen radiation belt
The Van Allen radiation belt is a torus of energetic charged particles (plasma) around Earth, held in place by Earth’s magnetic field. Earth’s geomagnetic field is not uniformly distributed around its surface. On the sun side, it is compressed because of … Continue reading
Posted in Solar System
Leave a comment