This page, from the Andrea Ghez group at UCLA, provides a description of the group’s work in characterizing the center of the galaxy and the supermassive black hole believed to reside there. The site presents "Journey...

This activity from the Florida Advanced Technological Education (FL-ATE) Center will help students develop their understanding of the design and manufacturing process. The lesson asks the class to examine the properties...

This high school activity from the Florida Advanced Technological Education (FL-ATE) Center will help students develop their understanding of the design and manufacturing process. The lesson asks the class to examine the...

This site from the Exploratorium provides a comparison of the force of gravity on the Earth, moon, planets, and stars. The site automatically calculates your weight on these objects. It also contains an explanation of...