Description: In the past week, a series of six more images from the Smithsonian Astrophysical Observatory’s Chandra X-ray team were uploaded to the Flickr Commons. Incidentally, they are all images of supernovas and black holes. Visualizing black holes is a challenge (at least for me) as the term conjures up images in my own head of silent, black infinity. But luckily for us (and as you
Description: The South Yard behind the Smithsonian Institution Building, the Castle, is bordered on the east by the Arts and Industries Building and west by the Freer Gallery of Art. In the late 19th century, it was the site of small buildings for the Smithsonian Astrophysical Observatory, Taxidermy Studio, National Zoological Park, and Aerodrome Studio. After World War I, a Quonset hut