Evelin Poolamets This article is rated C-class on Wikipedia's content assessment scale.It is of interest to the following WikiProjects:Astronomy Bottom‑importance Astronomy portalThis article is within the scope of WikiProject Astronomy, which collaborates on articles related to Astronomy on Wikipedia.AstronomyWikipedia:WikiProject AstronomyTemplate:WikiProject AstronomyAstronomyBottomThis article has been rated as Bottom-importance on the project's importance scale. Start a discussion about improving the Elton's quadrant page No tags for this post. Navigeerimine Tiit RiisaloRaul Kirjanen