What Causes The Colors Of The Northern Lights?
The Northern Lights are caused when charged particles from the Sun collide with atoms of oxygen and nitrogen in our atmosphere. The colors of the aurora indicate how high up the collision occurred. Red – 150 miles above Earth Green – 100 miles above
7 Ocean Mysteries – Things We Don’t Know Yet
Seventy percent of our planet is covered by ocean. But we know less about the ocean than we do some neighboring planets. This video explores some of the mysterious we still don’t understand about the ocean. These mysteries include many of the creatures that
Wormholes Explained
In Carl Sagan’s novel Contact, interstellar travel is presented in a way that is consistent with our current knowledge of physics. But are wormholes real? And if so, can they really be used to travel instantly across the universe?
How Do Ocean Tides Work?
The moon affects the oceans tides but why doesn’t its gravity also cause tides in lakes or even your cup of coffee?. Join Gabe on PBS show Space Time explains tidal force, gravitational differential and what role the moon actually plays in tides.
A Detailed View Of The International Space Station
This is a very good video animation that shows how the International Space Station was assembled. It also provides some detail about the usage of its different modules. The space station is the biggest man-made object in orbit and was built with the cooperation
