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	<general><structure><source>LOM v1.0</source><value>hierarchical</value></structure><aggregationlevel><source>LOM v1.0</source><value>2</value></aggregationlevel><identifier><catalog>URL</catalog><entry>http://portal.discoverthecosmos.eu/node/196119</entry></identifier><title><langstring xml:lang="en">Photometry of the Mutual Events between the Saturnian Satellites</langstring><langstring xml:lang=""/></title><language>en</language><description><langstring xml:lang="en">In this advanced activity students will make astronomical observations of Saturn and satellites using a telescope and CCD camera, proceed with photometric analysis of their data and produce light curves which they can submit to the astronomical community for further analysis.</langstring><langstring xml:lang=""/></description><keyword><langstring xml:lang="en">Saturn</langstring><langstring xml:lang="en"> Saturnian Satellites</langstring><langstring xml:lang="en"> Titan</langstring><langstring xml:lang="en"> Rhea</langstring><langstring xml:lang="en"> Dione</langstring><langstring xml:lang="en"> Tethys</langstring><langstring xml:lang="en"> Engeladus</langstring><langstring xml:lang="en"> orbital period</langstring><langstring xml:lang="en"> Equinox</langstring><langstring xml:lang="en"> Eclipse</langstring><langstring xml:lang="en"> Occultation</langstring><langstring xml:lang="en"> Universal Time</langstring><langstring xml:lang="en"> CCD</langstring><langstring xml:lang="en"> differential photometry</langstring><langstring xml:lang="en"> light curve</langstring><langstring xml:lang="en"> time of minimum</langstring><langstring xml:lang="en"> flux drop</langstring></keyword></general><lifecycle><status><source>LOM v1.0</source><value>final</value></status><version><langstring xml:lang="en">1.0</langstring></version><contribute><role><source>LOM v1.0</source><value>author</value></role><date><datetime>2013-07-17</datetime><description/></date><centity><vcard>Vagelis Tsamis</vcard></centity></contribute><contribute><role><source>LOM v1.0</source><value>publisher</value></role><date><datetime>2013-07-17</datetime><description/></date><centity><vcard>Vagelis Tsamis</vcard></centity></contribute></lifecycle><metametadata><language>en</language><metadatascheme>LOM v1.0</metadatascheme><contribute><role><source>LOM v1.0</source><value>creator</value></role><date><datetime>2013-07-17</datetime><description/></date><centity><vcard>Vagelis Tsamis</vcard></centity></contribute><contribute><role><source>LOM v1.0</source><value>validator</value></role><date><datetime>2013-07-17</datetime><description/></date><centity><vcard>Vagelis Tsamis</vcard></centity></contribute></metametadata><technical><duration><datetime/><description/></duration><requirement><type><source>LOM v1.0</source><value>browser</value></type><name><source>LOM v1.0</source><value>any</value></name><minimumversion/><maximumversion/></requirement><requirement><type><source>LOM v1.0</source><value>os</value></type><name><source>LOM v1.0</source><value>any</value></name><minimumversion/><maximumversion/></requirement><installationremarks/><otherplatformrequirements/><size></size><format>text/html</format><location>http://portal.discoverthecosmos.eu/node/196119</location></technical><rights><cost><source>LOM v1.0</source><value>no</value></cost><copyrightandotherrestrictions><source>LOM v1.0</source><value>no</value></copyrightandotherrestrictions><description/></rights><educational><interactivitytype><source>LOM v1.0</source><value>mixed</value></interactivitytype><interactivitylevel><source>LOM v1.0</source><value>high</value></interactivitylevel><semanticdensity><source/><value/></semanticdensity><difficulty><source>LOM v1.0</source><value>very difficult</value></difficulty><learningresourcetype><source>LOM v1.0</source><value>Inquiry-Based Teaching</value></learningresourcetype><context><source>LOM v1.0</source><value>more than 2 didactic hours</value></context><typicalagerange><langstring xml:lang="en">18-25</langstring><langstring xml:lang="en">25+</langstring></typicalagerange></educational><classification><purpose><source>LOM v1.0</source><value>Discipline</value></purpose><taxonpath><source><langstring xml:lang="en">Science</langstring></source><taxon><id/><entry><langstring xml:lang="en">Astronomy: Astrometry</langstring><langstring xml:lang="en">Astronomy: Planets</langstring><langstring xml:lang="en">Astronomy: Satellites</langstring><langstring xml:lang="en">Scientific enquiry: Choosing equipment</langstring><langstring xml:lang="en">Scientific enquiry: Contexts for science</langstring><langstring xml:lang="en">Scientific enquiry: Ideas and evidence in science</langstring><langstring xml:lang="en">Scientific enquiry: Recording observations/measurements</langstring><langstring xml:lang="en">Scientific enquiry: Scientific communication</langstring><langstring xml:lang="en">Scientific enquiry: Scientific investigations - generally</langstring><langstring xml:lang="en">Scientific enquiry: Scientific prediction</langstring><langstring xml:lang="en">Tools for Science: Detectors: CCD camera</langstring><langstring xml:lang="en">Tools for Science: Observatories</langstring></entry></taxon></taxonpath><description/></classification></lom>
