Time After Time


Your mission is to create a timeline by placing the following astronomical events in chronological order. You may wish to use the Space Stuff section to help you meet your goal.

In the center column you will see a date. The left column contains an Earth-bound event that occurred during that year. You must decide what space-related event also occurred that same year. Place the appropriate letter in the box located in the right column. Once you have completed the chart, check your skills by clicking on the check-me box.

  1. American astronauts Neil Armstrong and Edwin Aldrin became the first humans to set foot on the moon.

  2. The United States launched the Space Shuttle Columbia. Columbia was the first reusable manned spacecraft ever to be launched.

  3. John Glenn orbited the Earth three times in Friendship 7.

  4. The Space Shuttle Challenger exploded 73 seconds after take-off, killing all seven astronauts on board.

  5. The Soviet Union launched Sputnik, the world's first man-made satellite.

  6. The final and longest Apollo mission to the moon occurred as Apollo 17 spent twelve days on the moon's surface.

  7. Dr. Valeri Polyakov, a Russian cosmonaut, ended a 14 month stay aboard Space Station Mir, claiming the record for the longest continuous stay in space.

  8. Sally Ride became the first American woman in space when she launched aboard the Space Shuttle Challenger.

  9. A cockpit fire during an Apollo 1 training exercise claimed the lives of astronauts Edward White II, Roger Chaffee, and Virgil Grissom.

  10. The Hubble Telescope was launched aboard the Space Shuttle Discovery and deployed in space.

Description Date Answer



The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/ GSFC.

StarChild Authors: The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A. Whitlock
Curator: J.D. Myers
Responsible NASA Official: Phil Newman