Showing 141 - 145 of 145
April 15, 2010
The Exploring the Planets Gallery has been updated to include scientic exlporation of Mars. See what's new!
March 16, 2010
I first thought of putting together a book on planetary tectonics when I was working on a general subject matter book on the planets in the mid 1990’s. That book had a “comparing the planets” section where I showed examples of tectonic landforms on Mercury, Venus, Earth, and Mars. Tectonic landforms are created when forces act on solid crustal material and they are found on objects of all sizes in the solar system.
December 23, 2009
Who has not seen the bright blue and white image of the Earth, swaddled in clouds and looking inviting, in numerous places and in various settings? Taken by the Apollo 17 astronauts on December 7, 1972, this photograph is one of the most widely distributed images in existence.
December 01, 2009
I first became fascinated with glaciers during two summer seasons in Alaska while working on a cruise ship as a harpist. I would perform in a lounge at the top of the ship surrounded by windows and would watch in awe as we sailed past glaciers in Glacier Bay National Park as I performed.
March 29, 2009
2009 is the 400th anniversary of Galileo’s use of a telescope to examine the Moon, Venus, Jupiter and the Milky Way.