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Presentation to JILA (PDF) |
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The Global Signal: Earth-based Constraints and Implications for Lunar Observations (PPT) |
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The Lunar Radio Array (LRA) (PDF) The Lunar Radio Array (LRA) is a concept for a telescope sited on the farside of the Moon with a prime mission of making precision cosmological measurements via observations of neutral hydrogen. The Dark Ages represent one of the last frontiers in cosmology, the era between the genesis of the CMB at recombination and the formation of the first stars. During the Dark Ages—when the Universe was unlit by stars—and into the Epoch of Reionization (EoR), there is likely to be a detectable signal from neutral hydrogen (H I) in the intergalactic medium (IGM). This H I signal represents potentially the richest of all cosmological data and also can provide crucial information about the epoch of the first stars that initiate the EoR and the role of the first black holes in heating the IGM. The farside of the Moon is likely the only site in the inner solar system for exploiting this potential fully as significant obstacles exist to ground-based telescopes, including heavy use of the relevant portion of the spectrum by both civil and military transmitters and distortions introduced by the Earth's ionosphere. Technology development over the next decade is needed to enable the deployment of the LRA in following decades. I illustrate notional LRA concepts and discuss required technologies, with a particular focus on those having a broad applicability to missions other than the LRA. |
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The Lunar Radio Array (PPTX) |
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Education and Public Outreach (PPT) |
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Leonids (MOV) |
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Lunar University Network for Astrophysics Research July 2009 Update (PPT) We have established a professionally-designed website: http://lunar.colorado.edu/, conducted first LUNAR Steering Committee meeting in the Spring in Boulder, ensured all subcontracts to LUNAR partner institutions from Colorado have now been executed, ... |
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Steven Furlanetto (KEY) |