NGC 281. Image credit: Hubble. Click to enlarge The dark patch in this Hubble Space Telescope photograph is a “Bok globule” in the nearby star forming region, NGC 281. Astronomer Bart Bok first came up with the theory that dark globules like this are giant clouds of molecular gas, hundreds of light years across. Once … Continue reading "Star Forming Dust Clouds Imaged by Hubble"