Earth
How Many Oceans are there in the World?
How many oceans are there in the world? This question may not be as easy to answer as you may…
Oxygen Cycle
The oxygen cycle is the cycle that helps move oxygen through the three main regions of the Earth, the Atmosphere,…
Best “Blue Marble” Images Yet
[/caption] The Goddard Space Flight Center has a Flickr account showcasing a series of images of our own home planet.…
Chilean Earthquake May Have Shortened the Length of a Day on Earth
[/caption] Yikes! Just how big was the magnitude 8.8 earth quake in Chile? One scientist says the shaking may have…
Earth Formation
One of the oldest questions for mankind is how the Earth was formed. However, no one has an exact answer.…
Pale Blue Dot
NASA's Voyager spacecraft pushed further out into space than any other mission before them. Voyager 1 and 2 visited Jupiter…
Distance to the Center of the Earth
[/caption] The average distance to the centre of the Earth is 6,371 km or 3,959 miles. In other words, if…
Earth Surface Temperature
[/caption] The average Earth surface temperature is 14° C. That's 287 kelvin, or 57.2° F. As you probably realize, that…
Deep, Fiery Undersea Volcano Captured on Video
Ever seen fire and smoke under water before? Oceanographers using a remotely operated underwater vehicle discovered and recorded the first…
Earth’s Atmosphere Came from Outer Space
[/caption] A new study finds the gases which formed the Earth's atmosphere – as well as its oceans - did…