Astronomy
When Was Mars Discovered?
[/caption] It is impossible to know the answer to ''when was Mars discovered''. It is bright enough to be seen…
K-T Boundary
[/caption]What killed the dinosaurs? That's a question that has puzzled paleontologists since dinosaurs were first discovered. Maybe the global climate…
How Long is a Light Year?
A light year is the distance light can travel in vacuum in one year's time. This distance is equivalent to…
What are Plate Boundaries?
In Plate Tectonic Theory, the lithosphere is broken into tectonic plates, which undergo some large scale motions. The boundary regions…
What is a Volcanic Neck?
Remember that strange rock formation in Close Encounters of the Third Kind. It looked like the top of a toothpaste…
Magnetic Fields Have Key Influence on Star Formation
[/caption] When a giant cloud of interstellar gas and dust collapses to form a new cluster of stars, only a…
Mantle Plume
[/caption] One of the mysteries of Earth science is hotspots. While most volcanoes are found at plate boundaries, where two…
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.…