| A | B |
|---|
| 1926 | Robert Goddard launched first liquid fuelled rocket |
| 1957 | First artificial satellite Sputnik 1 is launched |
| Sputnik is of Russian origin and | means travelling companion |
| Yuri Gagarin was the first human | to orbit the earth |
| 1961 | Yuri Gagarin orbited the Earth |
| 1962 | Canada's first satellite was launched |
| Alouette 1 is the name of | Canada's first satellite |
| In 1963, Valentina Tereshkova, | a cosmonaut, is the first woman to travel in space |
| 1966 | First probe lands on the Moon without crashing |
| 1971 | First Soviet space station is placed in orbit |
| First Canadian Communication Satellite, | Anik -1, is placed in orbit. |
| 1973 | First American space station Skylab is placed in orbit |
| 1977 Space probes Voyager 1 and | Voyager 2 are launched to explore the outer solar system |
| 1981 | First space shuttle is launched |
| 1984 First retrieval of a satellite is | accomplished using Candarm |
| 1986 | Soviet space station Mir is launched |
| 1988 Soviet cosmonaut is the | first human to remain in space for one year |
| 1990 | Hubble Space Telescope is placed in orbit |
| 1993 Hubble Space Telescope repaired | by astronauts on the space shuttle |
| The Moon is a natural satellite of the | Earth |
| The force that causes an object to move is | Thrust |
| The launcher is a device that | carries a payload into space |
| The Moon has less gravity than Earth because | the moon has less mass |
| A geosynchronous orbit means that a | satellite maintains a fixed position |
| Magellan Probe launched in 1989 | successfully mapped Venus |
| Ulysses Probe launched in 1990 | studied the poles of the Sun |
| Observor Probe launched in 1992 | was lost in 1993 just as it reached Mars |
| The Canadarm is officially called | the Remote Manipulator System |
| Pathology is the study of the | nature and causes of disease |
| Space exploration has resulted in technological | spinoffs |
| Teflon, Velcro, alloys with a memory | are the result of spinoffs |
| other spinoffs are such things as | reading machines for the blind |
