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8 Cards in this Set
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- Back
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electromagnetic energy?
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-forms of energy
-(i.e- X rays and Radio waves) -all travel at fast speeds |
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electromagnetic spectrum?
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a range of wavelengths, from radio waves to gamma rays.
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Radio Astronomy?
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the study of radio waves from space
-are recieved from dark places in the sky that seem empty |
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Interferometry
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to improve the radio images
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Baseline
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the distance two radio telescopes. The reater the baseline the greater the accuracy
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Radio telescope arrays
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radio telescopes arranged in groups
-reasoning:because when a group of them works as one it produces a stronger image |
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Why are there no ultraviolet, X-ray, or gamma ray on earth's surface?
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because mos infrared wavelengths are absorbed by the Earth's atmosphere
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What does IRAS stand for?
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-Infrared Astrononmy Satillite
-was used to detect unknown galaxies |
