The Milky Way Galaxy Structure and Composition The galaxy we live in, called the Milky Way Galaxy, is a barred spiral galaxy composed of at least 200 billion stars. It is approximately 160,000 light years across and about 2000 light years thick. It has a central bulge that is about 6500 light years in diameter.
View the whole night sky at Haleakala This movie shows the whole night on Haleakala from an all sky camera we have installed next to Faulkes Telescope North. The camera takes images every 3 minutes and this is a 15 frame/smovie of the images taken on September 1 from 04:45 UT (just as the Sunsets) to 14:00 UT. The timestamp of each image is shown just below thedate in the top left corner. Below that is the exposure time, whichautomatically adjusts to the light level, meaning that we can also usethe camera during the day time.