Beautiful image from Argentina - 3 galaxies and a comet
http://antwrp.gsfc.nasa.gov/apod/image/0703/3772-84mcnaught_druckmuller.jpg

French Architect proposes mechanism for construction of Egyptian pyramids.
http://news.independent.co.uk/world/science_technology/article2405133.ece

Solar System planet size comparison
Great comparison of the size of all objects in our solar system larger than 200 miles in diameter, gives a conceptual understanding of the size of the sun and large gas planets compared to earth and other smaller bodies. Visually stunning.
http://kokogiak.com/solarsystembodieslargerthan200miles.html