The Sun in Time Experiments

In this activity, students get a feel for how astronomers measure the altitude, or height above the horizon, of a star or any object by building a simple sextant. Students can also build a sundial (using a project developed by Marshall's Space Academy). Educational levels: Middle school, Middle school

Strategic Knowledge Gaps Addressed

• 19 NASA center-led concepts were evaluated and 3 were down-selected for further refinement toward an Mission Concept Review (MCR) planned for August 2014 • Primary selection criteria:- Relevance to Space Exploration Strategic Knowledge Gaps (SKGs)- Life cycle cost- Synergistic use of previously demonstrated technologies- Optimal use of available civil servant workforce- Project in Pre-formulatio