Other
Planetary Society: Relative and Absolute Ages in Histories of Earth and the Moon
A lengthy scholarly article that discusses the geologic time scale, its history of development, age-dating events that occurred in different eras, and how absolute and relative dating are used to assess the ages of the Earth and Moon....
Science Struck
Science Struck: How Was the Earth Created
This resource gives a detailed explanation of the stages that the Earth and the solar system went through beginning with their origins in the Big Bang up to the present time.
NASA
Nasa: Astronomy Picture of the Day: Lunar Dust and Duct Tape
Dust, a common and usually minor problem on Earth, presented a major challenge for the Apollo astronauts on the Moon. Here's an interesting solution created by the Apollo 17 crew.