Before your start blogging you should make sure that your blog is aggregated to

planet.osgeo.org

planetkde.org

planet.qt-project.org

Please blog about

• How Marble can be used to visualize planets for observing or to get a better understanding about the solar-system
• Look-up planet-conjunction highlights in 2014:

http://www.seasky.org/astronomy/astronomy-calendar-2014.html

http://www.go-astronomy.com/solar-system/planets-conjunctions.htm

            and create screenshots of these events in Marble

• Describe how planets can be turned on and off in the settings dialog
• Describe another feature that has been added recently: So far we only had proper sunshading for earth and some sunshading for the moon. With recent changes in master we have sun shading for all planets.
• Download Mars24 sunclock (a Java application) and display Mars and it's terminator and sunshading in a map
• Create a screenshot for the very same time in Marble using the same projection and sunshading