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10 Cards in this Set
- Front
- Back
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Spectroscopy |
The study of spectra spectrum produced by light |
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Spectroscope |
A device that when a beam of light passes through it, it produces a focused spectrum |
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Doppler Effect |
An increase/decrease in the of sound, light or other waves as the source or observer moves towards/away from each other. The effect causes a sudden change in pitch or a red/blue shift. |
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Red Shift |
Lines of an object's spectrum are slightly moved to the red side. This means it is moving away from you. |
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Blue Shift |
The lines of an object's spectrum are slightly shifted to the blue side. This means it is moving towards you. |
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Electromagnetic Spectrum |
Is the spectrum of all electromagnetic radiation.(listed least to greatest) 1. Radio Waves 2. Microwaves 3. Infrared Radiation 4. Visible Light 5. Ultraviolet Light 6. X-rays 7. Gamma Rays |
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Remote Sensing |
Taking measurements of Earth from space |
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Uses of Remote Sensing |
- To show healthy vs. unhealthy vegetation - Water pollution can be imaged - Erosion can be tracked - Land use in cities can be observed - Weather can be tracked - Clear-cut/burned forests can be mapped to show rates of degradation |
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Geocentric Model |
Or Earth-Centred model States Earth is the centre of the universe and everything rotates around Earth. |
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Heliocentric Model |
Or Sun-Centred Model States that the sun is the centre of the universe and all the planets rotate on their axis and around the Sun. |
