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- FOCAL_(spacecraft) abstract "FOCAL is a proposed space telescope that would use the Sun as its gravity lens, through the Solar lens effect. The mission was first suggested by professor Von Eshleman, and developed in detail by Italian astronomer Claudio Maccone.In order to use the Sun as a gravity lens, it would be necessary to send the telescope 550 astronomical units away from the Sun, enabling very high signal amplifications: for example, at the 203 GHz wavelength, amplification of 1.3·1015. This should be enough to obtain detailed images of the surfaces of extrasolar planets.Even without using the Sun as the lens, FOCAL could perform various, otherwise impossible measurements: a telescope could be used to measure stellar distances by parallax, which would, using the baseline of 550AU, measure the precise position of every star in the Milky Way, enabling various further scientific discoveries. It could also study the interstellar medium, the heliosphere, observe gravity waves, check for the possible variation of the gravitational constant, observe the cosmic infrared background, characterise interplanetary dust within the Solar system, more precisely measure the mass of the Solar system and similar.".
- FOCAL_(spacecraft) wikiPageExternalLink ?p=785.
- FOCAL_(spacecraft) wikiPageID "45676473".
- FOCAL_(spacecraft) wikiPageLength "3135".
- FOCAL_(spacecraft) wikiPageOutDegree "19".
- FOCAL_(spacecraft) wikiPageRevisionID "680196805".
- FOCAL_(spacecraft) wikiPageWikiLink Astronomical_unit.
- FOCAL_(spacecraft) wikiPageWikiLink Category:Proposed_spacecraft.
- FOCAL_(spacecraft) wikiPageWikiLink Category:Space_observatories.
- FOCAL_(spacecraft) wikiPageWikiLink Claudio_Maccone.
- FOCAL_(spacecraft) wikiPageWikiLink Cosmic_infrared_background.
- FOCAL_(spacecraft) wikiPageWikiLink Exoplanet.
- FOCAL_(spacecraft) wikiPageWikiLink Extrasolar_planet.
- FOCAL_(spacecraft) wikiPageWikiLink Gravitational_constant.
- FOCAL_(spacecraft) wikiPageWikiLink Gravitational_lens.
- FOCAL_(spacecraft) wikiPageWikiLink Gravity_lens.
- FOCAL_(spacecraft) wikiPageWikiLink Gravity_wave.
- FOCAL_(spacecraft) wikiPageWikiLink Heliosphere.
- FOCAL_(spacecraft) wikiPageWikiLink Interplanetary_dust.
- FOCAL_(spacecraft) wikiPageWikiLink Interplanetary_dust_cloud.
- FOCAL_(spacecraft) wikiPageWikiLink Interstellar_medium.
- FOCAL_(spacecraft) wikiPageWikiLink Milky_Way.
- FOCAL_(spacecraft) wikiPageWikiLink Parallax.
- FOCAL_(spacecraft) wikiPageWikiLink Solar_System.
- FOCAL_(spacecraft) wikiPageWikiLink Solar_lens.
- FOCAL_(spacecraft) wikiPageWikiLink Solar_system.
- FOCAL_(spacecraft) wikiPageWikiLink Space_observatory.
- FOCAL_(spacecraft) wikiPageWikiLink Space_telescope.
- FOCAL_(spacecraft) wikiPageWikiLink Sun.
- FOCAL_(spacecraft) wikiPageWikiLink Von_Eshleman.
- FOCAL_(spacecraft) wikiPageWikiLinkText "FOCAL (spacecraft)".
- FOCAL_(spacecraft) wikiPageWikiLinkText "FOCAL".
- FOCAL_(spacecraft) hasPhotoCollection FOCAL_(spacecraft).
- FOCAL_(spacecraft) wikiPageUsesTemplate Template:Rp.
- FOCAL_(spacecraft) wikiPageUsesTemplate Template:Single_source.
- FOCAL_(spacecraft) wikiPageUsesTemplate Template:Space_observatories.
- FOCAL_(spacecraft) subject Category:Proposed_spacecraft.
- FOCAL_(spacecraft) subject Category:Space_observatories.
- FOCAL_(spacecraft) hypernym Telescope.
- FOCAL_(spacecraft) type ArtificialSatellite.
- FOCAL_(spacecraft) comment "FOCAL is a proposed space telescope that would use the Sun as its gravity lens, through the Solar lens effect. The mission was first suggested by professor Von Eshleman, and developed in detail by Italian astronomer Claudio Maccone.In order to use the Sun as a gravity lens, it would be necessary to send the telescope 550 astronomical units away from the Sun, enabling very high signal amplifications: for example, at the 203 GHz wavelength, amplification of 1.3·1015.".
- FOCAL_(spacecraft) label "FOCAL (spacecraft)".
- FOCAL_(spacecraft) sameAs m.0130cqk_.
- FOCAL_(spacecraft) sameAs Фокал.
- FOCAL_(spacecraft) sameAs Q19593898.
- FOCAL_(spacecraft) sameAs Q19593898.
- FOCAL_(spacecraft) wasDerivedFrom FOCAL_(spacecraft)?oldid=680196805.
- FOCAL_(spacecraft) isPrimaryTopicOf FOCAL_(spacecraft).