21 | Add to Reading ListSource URL: sciencejedi.comLanguage: English - Date: 2014-01-14 01:54:24
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22 | Add to Reading ListSource URL: star.herts.ac.ukLanguage: English - Date: 2011-08-16 06:23:10
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23 | Add to Reading ListSource URL: www.syracuse-astro.orgLanguage: English - Date: 2008-10-08 01:55:31
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24 | Add to Reading ListSource URL: star.herts.ac.ukLanguage: English - Date: 2011-08-04 10:24:23
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25 | Add to Reading ListSource URL: www.oagonzalez.netLanguage: English - Date: 2015-10-20 06:17:01
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26 | Add to Reading ListSource URL: www.sdss.orgLanguage: English - Date: 2016-07-30 19:27:59
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27 | Add to Reading ListSource URL: cs.union.eduLanguage: English - Date: 2009-11-07 20:04:06
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28 | Add to Reading ListSource URL: www.communicatingastronomy.orgLanguage: English - Date: 2008-08-06 13:40:06
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29 | Add to Reading ListSource URL: ephemeris.sjaa.netLanguage: English - Date: 2015-11-27 13:06:57
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30 | Add to Reading ListSource URL: dunlap.utoronto.caLanguage: English - Date: 2014-09-16 22:38:04
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