HUNTSVILLE, Alabama--The U.S. Space and Rocket Center will be offering free admission to teachers and one accompanying guest as part of Teacher Appreciation Weekend from Jan. 17-19.

Teacher workshop sessions will run all weekend with 60-minute programs inside the Davidson Center for Space Exploration. Star Lab, an inflatable planetarium, will be available as an introduction to the basic principles of astronomy and the constellations. Teachers who attend the Ultimate Field Trip Preview workshop, offered Jan. 17, 18 and 19 at 11:30 a.m., will have a chance to win a Pathfinder Family Membership.

On Jan. 19, the U.S. Space and Rocket Center celebrates Martin Luther King Day with activities and presentations such as reflections on King's "I Have a Dream" speech by Yolanda Toney, English professor at Calhoun Community College.

There will also be a 20-minute screening of the historic speech inside the Digital Theater.

In addition to the workshops, teachers and their guest are invited to explore the traveling "101 Inventions That Changed the World" exhibit, the Huntsville component "101 Rocket City Inventions," and the collection of rockets and space memorabilia in the Saturn V Hall.

Educator identification is required.

For the list of times of each workshop and more information on Teacher Appreciation Weekend, check out rocketcenter.com.