Articles About Geography (10)
![Illustration image](http://c.tadst.com/gfx/150x84/equator.png?1)
The Equator Divides Earth in Two
The equator is an imaginary line dividing Earth into the Northern and Southern Hemispheres. It is located halfway between the North and South poles.
![Illustration image](http://c.tadst.com/gfx/150x84/longitude-and-latitude-simple.png?2)
What Are Longitudes and Latitudes?
Cartographers and geographers divide the Earth into longitudes and latitudes in order to locate points on the globe.
![Illustration image](http://c.tadst.com/gfx/150x84/southern-northern-hemisphere.png?1)
The Northern and Southern Hemispheres
The Northern Hemisphere is the northern half of the globe that covers the area from the equator to the North Pole. Oppositely, the Southern Hemisphere starts at the equator and covers the area to the South Pole.
![Prime Meridian line at the Royal Observatory in Greenwich, London](http://c.tadst.com/gfx/150x84/greenwich-meridian-02.jpg?1)
Is the Greenwich Meridian in the Wrong Place?
Why does a GPS device not show 0 degrees of longitude at the line marking the prime meridian in Greenwich, London, UK? Is it wrong—or just different?
![Miller map projection of the world with the imaginary International Date Line (IDL) drawn down the image. The Midway Islands, Kiribati, Tonga, and Chatham Islands are labelled on the map. Miller map projection of the world with the imaginary International Date Line (IDL) drawn down the image. The Midway Islands, Kiribati, Tonga, and Chatham Islands are labelled on the map.](http://c.tadst.com/gfx/150x84/international-date-line.png?1)
What Is the International Date Line?
The International Date Line goes through the Pacific Ocean at about 180 degrees longitude. Where is the International Date Line? See it on a time zone map.
![Illustration image](http://c.tadst.com/gfx/150x84/compass-navigation.jpg?1)
Magnetic Declination
A compass needle doesn't point to the geographical North Pole but to magnetic north. Did you know that it usually doesn't point to the magnetic North Pole either?
![Illustration showing Earth's axis drawn as a red line.](http://c.tadst.com/gfx/150x84/axial-tilt.png?1)
Earth Is Tilted
When an object the size of Mars crashed into the newly formed planet Earth around 4.5 billion years ago, it knocked it over and left it tilted at an angle.
![Illustration image](http://c.tadst.com/gfx/150x84/day-night-map.png?1)
99% of Earthlings See Sunlight on July 8 (And on Other Dates, Too)
Our Sun data confirm an internet meme claiming 99% of the world’s population gets sunlight at 11:15 UTC on July 8. But does it happen on other dates, too?
![sunlight across the globe](http://c.tadst.com/gfx/150x84/sunlight-fact-check-article.png?1)
99% Of Us See Daylight at This Moment (Or Do We?)
Is it really true that 99% of the world's population see daylight at 11:15 UTC on July 8?
![World map showing day, night, and twilight at 19:56 UTC on December 6.](http://c.tadst.com/gfx/150x84/day-night-dec-6.png?1)
Dec 6: Minute of Global Darkness
There's a moment each year when almost 9 in 10 people worldwide experience night.