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Pershing Chpt 5
Pershing Chpt 5 Exploring Space
| Question | Answer |
|---|---|
| What is ...the speed needed to break away from a planet's gravity? | escape volocity |
| Who...launched the first liquid-fuel rocket | Robert Goddard |
| What does NASA stand for? | National Aeronautics and Space Administration |
| What burns fuel and uses escaping gases to move | a rocket |
| What is ...the speed needed to travel around a planet? | orbital velocity |
| What is thrust? | the pushing or pulling force exerted by a rocket engine |
| Many of the US rocket scientists came from which country after WWII? | Germany |
| What does a rocket need to carry in order to burn fuel in the vacuum of outerspace? | oxygen |
| What is Newton's 3rd law of motion? | For every action, there is an equal and opposite reaction |
| What is the Landsat? | an Earth-imaging satellite program |
| What is a human-made object placed in orbit? | artificial satellite |
| What is GEO? | (geostationary orbit) the orbit used for communications satellites |
| Name the first American satellite launched. | Explorer I |
| What are microwaves? | a type of radiation used to relay information |
| What is LEO? | (Low Earth Orbit) orbit used for making detailed images of Earth |
| What type of orbit would be best for a military spy satellite--LEO, GEO, weather balloon or parabolic orbit? | LEO |
| What do people use a GPS for? | to get information about their exact location |
| What allows us to study environmental changes on Earth? | satellite remote sensing |
| What cold, red planet may have been warmer millions of years ago? | Mars |
| Which planet was found to have surface temperatures that could melt lead? | Venus |
| What was Deep Space I designed to do? | use ion propulsion |
| What did Viking 1 and 2 do? | looked for signs of life on Mars and studied its soil |
| What Soviet probe studied Venus's rocks? | Venera 9 |
| What did the Pioneer 10 and 11 do? | visited the outer planets and collected samples of the solar wind |
| What is Titan? | One of Saturn's moons with an atmosphere similar to early Earth's. |
| What was discovered by man-made space probes? | climate changes on Mars, water on Earth's moons, active volcanoes on Venus |
| Which space probe was designed for sampling comet dust? | Stardust |
| What did Apollo 11 bring back? | moon rocks to study |
| Name the first Soviet space station. | Salyut 1 |
| Name the reusable space vehicle. | space shuttle |
| Who was the first person on the moon? | Neil Armstrong |
| What device is used to study heat from the space shuttles? | a heat sensitive hand-held camera |
| What is the space station? | a long-term orbiting platform |
| What is being constructed in LEO by 16 different countries? | the International Space Station |
| What might be constructed on the moon? | a base for exploring the rest of the solar system |