Earth
Early Faint Sun Paradox Explained?
[/caption] Models of the Sun’s evolution indicate it was as much as 30 percent less luminous during Earth’s early history…
How Many Earths Can Fit in Jupiter?
Jupiter is known as the "King of the Planets", and for good reason. For one, it is the largest planet…
How Many Earths Can Fit in the Sun?
[/caption] So, how many Earths can fit in the Sun? The answer is that it would take 1.3 million Earths…
Surface of the Moon
[/caption]Despite the close proximity between the Earth and the Moon, there's a big difference between the surface of the Moon…
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…