What is the Coefficient of Friction?
Ever watch a car spin its wheels and notice all the smoke and tire marks it leaves behind? How about…
What Causes Wind?
It was not until recent memory that what causes wind was understood. Wind is caused by air flowing from high…
What did Isaac Newton Invent?
Sir Issac Newton is best know for his laws of motion. Many people's knowledge of his scientific contributions stops there.…
Largest River In The World
[/caption]The largest river in the world can be hard to calculate. Many factors come into play: the source, the identification…
Apollo 12 anniversary celebrated at Martian Crater as Opportunity blazes ahead
[/caption] NASA recently celebrated the anniversary of the historic Apollo 12 lunar landing mission with another history making craft -…
Get Ready for the Geminids — In the Sky and Online!
[/caption] One of the best night sky events of the year is on tap: The Geminid Meteor shower. According to…
Taking a Galaxy’s Temperature
[/caption] The role that supermassive black holes play in the formation of galaxies is a "hot" topic in astronomy. Using…
SpaceX Reveals Dragon’s “Secret” Payload
[/caption] During Wednesday's post-flight press conference, SpaceX CEO Elon Musk confirmed the rumor of a secret payload on board the…
Late, Big Bombardments Brought Heavy Metals to Earth
[/caption] One of the fundamental problems in planetary science is trying to determine how planetary bodies in the inner solar…
Venus Has a Moon?
[/caption] Astronomers have been busy trying to determine the spin period and composition of Venus' moon. December 8, 2010, results…