Earth
Solar Day
[/caption] Since the dawn of time, human beings have relied on the cycles of the sun, the moon, and the…
Simple Colors Could Provide First Details of Alien Worlds
At best, the few extrasolar planets we have imaged directly are just points of light. But what can that light…
Calculate the Effect of an Asteroid Impact on Earth
[/caption] A 20-km asteroid has just been predicted to hit Earth and you want to know if a. You should…
Best of Earth from the ISS
The International Space Station has been orbiting the Earth every day for over 10 years, and the astronauts all say…
How Does a Compass Work
[/caption] Compasses are some of the oldest navigational tools in history. Since Mankind started to understand more about Navigation they…
Last Day of Summer
Summertime is a joyous time for so many reasons. There’s the sense of vacation, that feeling of freedom we remember…
Desertification
[/caption] The Sahelian-drought, that began in 1968 and took place in sub-Saharan Africa, was responsible for the deaths of between…
Why is the Earth Tilted?
Have you ever wondered why the Earth is tilted instead of just perpendicular with its plane of orbit? Scientists have…
Why is the Center of the Earth Hot
[/caption] It interesting that we have explored further into space than we have explored the depths of the Earth. The…
Where is the Ozone Layer Located
[/caption] The Ozone Layer is the portion of the atmosphere that contains high levels of the oxygen molecule ozone. This…