» Riddles of the Universe

What happens when a star dies? What are black holes? What is dark matter? On 23 July 1999, Commander Eileen Collins took the space shuttle Columbia into orbit. Her mission: to launch the Chandra X-ray Observatory, which will help scientists find answers to some of these riddles of the universe.

This books shows the crew of a NASA space shuttle carrying out experiments and tasks while in space. The space shuttle program ended in 2011. Reread pages 14 to 19. Use the Internet to find out about a day in the life of astronauts on the International Space Station today. Write a short report about how they eat, sleep, wash, housekeep, and do experiments.