Last updated: April 13, 2020
![image of astronaut in front of the moon](https://webarchive.library.unt.edu/web/20201218125937im_/https://www.nps.gov/common/uploads/grid_builder/teachers/crop16_9/205857C2-B708-772B-0B74570C7A64B871.jpg?width=465&quality=90&mode=crop)
Spaceflight Explorer Junior Ranger
NASA/NPS Spaceflight Explorer Junior Ranger booklet
![Blue Earth from space with clouds swirling over the western hemisphere.](https://webarchive.library.unt.edu/web/20201218125937im_/https://www.nps.gov/common/uploads/grid_builder/teachers/crop16_9/9A564240-B836-BC68-37E3009346080598.jpg?width=465&quality=90&mode=crop)
Spaceflight Explorer Activities
50 Years of Celebrating Earth. Enjoy these Spaceflight Explorer Online Activities.
![split screen of TRTs in the field and Every Kid Outdoors kids](https://webarchive.library.unt.edu/web/20201218125937im_/https://www.nps.gov/common/uploads/grid_builder/teachers/crop16_9/F1CB63DE-EDD1-DD04-3E9137150229986D.jpg?width=465&quality=90&mode=crop)
Teacher Ranger Teacher Program
Teachers! Join NPS in the summer to experience nature and history firsthand and earn graduate credit for your re-certification.
![A group of smiling children in orange shirts](https://webarchive.library.unt.edu/web/20201218125937im_/https://www.nps.gov/common/uploads/grid_builder/teachers/crop16_9/69EA5B74-1DD8-B71B-0B0EEBA2DF35DB12.jpg?width=465&quality=90&mode=crop)
Every Kid Outdoors
To help reach our next generation of park visitors and supporters, NPS wants all 4th grade students to visit their public lands & waters!