Category Archives: physics
Mars Express
Enjoy some great images selected from the past five years of the Mars Express mission. Even better, they come with explanations!
Darnell’s Deep Field
Astronomer Tony Darnell does a nice job in this YouTube video, a la Carl Sagan, of illustrating the overwhelming size of the universe and providing context for the amazing Deep Field images from the Hubble Space Telescope.
NASA’s New Rocket in Trouble?
Ares was violence personified – the god of bloodlust in contrast to the more strategic thinking of Athena. And NASA’s new Ares I rocket, the agency’s first new rocket system in 35 years, may be living up to its name. … Continue reading
Google Sat
For years I’ve used satellite tracking software in my physics classes, showing students how we can track the thousands of orbiting objects around Earth. We usually calculate the orbit of the space station or space telescope and confirm our results … Continue reading
Hot Air
I enjoyed the article The Hydrogen Hoax by Robert Zubrin in The New Atlantis. He debunks the concept of hydrogen-powered cars. But I am far less sanguine than he about ethanol fuels as an alternative.
Meador Manor 