Astro_4D_milkyway_stars_proper_radial_all_mid_anim.gif (800 × 480 pixels, file size: 764 KB, MIME type: image/gif, looped, 45 frames, 1.8 s)
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This file is a stereogram. Stereograms are stereoscopic images or animations which combine left and right frames showing slightly different visual angles to allow for 3D perception.
The stereogram uses an anaglyphic method of stereoscopic 3D presentation which is unspecified or unrecognized by this template. (If a suitable option is available, please add or correct the parameters to indicate the type of anaglyph used.) Some type of two-color 3D glasses are recommended to view this image correctly. |
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Summary
| Description |
English: The movement of stars between apex and antapex in -/+ 300 000 years.
To view this picture you need 3D glasses (red-green or red-blue).
Slovenčina: 4D animácia pohybu hviezd na oblohe medzi apexom a antapexom za -/+ 300 000 rokov.
Zdanlivý pohyb hviezd je spôsobený vlastným pohybom Slnka v galaxii. Zdá sa nám, akoby sme sa pozerali cez okno vlaku: rýchlo míňame všetko vedľa nás. Tento pohyb je výrazný na hviezdach galaktického oblúka v spodnej časti animácie. Pozn.: hĺbka 3D priestoru je modifikovaná logaritmicky, t.j. hviezdy, ktoré sa nám javia na dvojnásobnú vzdialenosť, sú v skutočnosti vzdialené až 10-násobne. Na prezeranie tejto animácie sú potrebné 3D okuliare s farebnými filtrami červená-zelená, príp. sa dá dosiahnuť uspokojivý výsledok aj červeno-modrými okuliarmi, pritom záleží aj na poradí farieb: červenú farbu treba mať pred ľavým okom, zelenú alebo modrú pred pravým. |
| Date | |
| Source | Own work |
| Author | Alexander Meleg |
Animácia bola vytvorená vlastným programom podľa údajov z katalógov: The Hipparcos and Tycho Catalogues (ESA 1997) http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=I/239 rozšírený o radiálny pohyb z katalógu III/254 - 2nd Cat. of Radial Velocities with Astrometric Data (Kharchenko+, 2007) ftp://cdsarc.u-strasbg.fr/pub/cats/III/254/
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:56, 29 April 2010 | | 800 × 480 (764 KB) | Alexander Meleg | {{Information |Description={{en|1=The movement of stars between apex and antapex in -/+ 300 000 years. To view this picture you need 3D glasses (red-green or red-blue).}} {{sk|1=4D animácia pohybu hviezd na oblohe medzi apexom a antapexom za -/+ 300 000 |
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