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Very Long Baseline Interferometry (VLBI)
| Content Provider | Semantic Scholar |
|---|---|
| Author | Schilizzi, Dwingeloo R. T. |
| Copyright Year | 2017 |
| Abstract | Very Long Baseline Interferometry (VLBI) is an advanced technique in as tronomy coupling radio telescopes in dif ferent nations together to form a single radio telescope of continental, or even Earth-sized dimensions. VLBI networks, with their effective diameters of up to 8000 km, are the largest telescopes which have ever probed the depths of the Universe and can achieve sub-milliarcsecond angular resolution. This is 1000 times better than for groundbased optical telescopes and 100 times better than for the 2.4 m diameter Hub ble Space Telescope. Details can be seen in cosmic radio sources one hundred thousand times smaller than is possible with the individual telescopes in the system. The data gathered provide infor mation on galaxies, quasars, and stars on the smallest scales ever directly measured, information that is crucial to our understanding of the most energetic phenomena in Nature's laboratory. VLBI is at the same time able to mea sure the distances between points on the Earth, 100s to 1000s of kilometres apart with accuracies of a few centime tres, and is one of the two main techni ques in use by geophysicists and geode sists for studying continental drift and regional crustal movements. |
| File Format | PDF HTM / HTML |
| DOI | 10.1007/springerreference_4238 |
| Alternate Webpage(s) | https://www.europhysicsnews.org/articles/epn/pdf/1988/04/epn19881904p46.pdf |
| Alternate Webpage(s) | https://doi.org/10.1007/springerreference_4238 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
