The legendary Hubble telescope captured a fascinating cosmic cloud – a cloud that makes its own light.
Called a “Emission nebula“It is a bright cloud whose gases are excited by radiation from nearby stars and ultimately emit light. (In other words, this is not starlight that is not reflected by the gas.)
However, the right side of this image is obscured by a large cloud of dust that prevents light from reaching the Hubble Space Telescope.
In general, fog is “enormous clouds of …