EDITOR'S COLLECTIONS
In 1961, Yuri Gagarin became the first person to venture beyond Earth's atmosphere. Since his journey, about 450 people…
WORKSHEETS
Enrich your science, history, or English curriculum with the resources in this teacher's guide for Team Moon, the story…
REFERENCE
Use this reference and related activities to learn about the Soviet space program, space exploration, and space…
Write the astronomy term that best fits each description, then use your answers to solve the puzzle. In this vocabulary…