Earth
Satellite Map of the World
There's no better way to appreciate the planet you live on than to have a great big picture of it…
Albedo Effect
Astronomers define the reflectivity of an object in space using a term called albedo. This is the amount of electromagnetic…
Atmosphere Layers
[/caption] Seen from space, the Earth's atmosphere is incredibly thin, like a slight haze around the planet. But the atmosphere…
Super Earths
[/caption] The holy grail in the search for extrasolar planets will be the discovery of Earthlike planets orbiting other stars.…
Destruction of Earth
[/caption] Want to destroy the Earth? It's harder than it sounds. That's because the Earth is held together by the…
What Causes Tides?
Tides refer to the rise and fall of our oceans’ surfaces. It is caused by the attractive forces of the…
After Loss of Lunar Orbiter, India Looks to Mars Mission
[/caption] After giving up on re-establishing contact with the Chandrayaan-1 lunar orbiter, Indian Space Research Organization (ISRO) Chairman G. Madhavan…
Solar System Orbits
[/caption] One of the International Astronomical Union’s (IAU) requirements for a celestial body to be classified as a planet (or…
Radius of the Planets
[/caption] One way to measure the size of the planets is by radius. Radius is the measurement from the center…