This week it has to be the picture of the Sun wot dun it for me. I know I'm a fan of pictures of nebulosity and galaxies but this week they were artists impressions which are little more than speculation. The Sun photo was taken with an orbiting space observatory called NASA's Solar Dynamics Observatory (SDO) and it has previously returned pictures as good as
THESE Sam's fiancee (being a solar physicist) must be drooling over SDO even more than she drools over Sam.