Earth Observation
An Alien View of the Moon Transiting Earth
[/caption] Ever wonder what an approaching alien spacecraft would see as it comes within tracking range of our Earth/Moon system?…
Wind Power From the Ocean (With Help from Space)
I drive regularly through Iowa and southern Minnesota in the US, and over the past few years wind farms have…
Satellites Keep an Eye on Wildfires Around the World
Wildfire season is underway in the northern hemisphere, and with hot and dry conditions in many areas this summer, fires…
Weekend SkyWatcher’s Forecast – June 13-16, 2008
Greetings, fellow SkyWatchers! It's big... It's bright... It's the Moon! The greatest night sky light polluter is back on the…
So, What Do Astronomers Do With A 55 Meter-Long Image?
The new 55-meter image that was unveiled today is impressive, but does it hold any scientific value? A resounding yes…
The A-Train: Using Five Satellites as One to Analyze Polluted Clouds
This is one of the finest examples of satellite collaboration. Five Earth-observing orbiters, four from NASA and one from France,…
Solar Sonic Boom: Eclipses May Generate Atmospheric Shocks
Something strange happens during a solar eclipse. As the Moon's shadow passes over the surface of the Earth, observers have…
More Satellite Images of China’s Earthquake
More satellite images have been released portraying the devastation caused by the May 12, 2008 earthquake that struck China's Sichaun…
Phytoplankton Bloom Erupts in the North Sea
Usually the North Sea conjures up cold and gloomy visions. But as the stunning image above shows, this isn't always…
Satellite Images of China Earthquake
Some of the first satellite images have been released of areas in China hit by the 7.9 magnitude earthquake on…