Space Shuttles! By Clint, Joseph, Jake The NASA Space program started on April 12, 1981 with the Columbia.
Scandium Sc Atomic Number: 21 Atomic Mass: 44.955910 Atomic Number: 21 Atomic Mass: 44.955910.
Catalyst – November 3 2, 2009 Monday Mystery Element 1. Used in space shuttle parts 2. One of its compounds looks like a diamond 3. Its name probably.
