See today's images of the sun from NASA with the Space Weather media viewer. The Space Weather media viewer features near real-time images of the sun from a wide variety of NASA missions, as well as video interviews with prominent scientists about space weather and its effects on Earth
GEOrendr is a great way to discover and use maps. Maps come to life in GEOrendr. Tap on the map or use your current location and discover information about what you see. Find community hosted maps from ArcGIS Online - ESRI’s online GIS. Alternatively you can use the authoring tools on ArcGIS.com to create your own maps that can be used in GEOrendr