| A | B |
|---|
| Sputnik 1 | The first artificial object to orbit the earth. |
| Explorer 1 | The United States first satellite. |
| Yuri Gagarin | The first person to travel in space. |
| Alan Shepherd | The first American to travel in space. |
| John Glenn | First American to orbit the earth. |
| Valentina Tereshkova | First woman to fly in space. |
| Gemini | These space craft allowed two astronauts to work side by side. |
| Apollo | This was the space craft that took man to the moon. |
| Apollo 11 | The Apollo mission that first landed man on the moon. |
| Neil Armstrong | First man to step on the moon. |
