The Iris Nebula holds special significance for scientists because of its unique colours.

This Hubble Space Telescope image captures a portion of the reflection nebula IC 2631, which contains a protostar, the hot, dense core of a forming star that is accumulating gas and dust. Eventually, ...

The reflection nebular NGC 1999 lies about 1,350 light years from Earth in the constellation Orion, and exhibits an inky black central “keyhole” in this image taken by the Hubble Space Telescope ...

Many scientific terms are very specific, but the term nebula is, well, nebulous. In a very generic sense, it simply means a fuzzy thing. But there are a wide variety of astronomical objects that can ...

UBVRI data are presented for three stars in reflection nebulae near the Herbig-Haro objects recently discovered in the Gum nebula. The likely distance to all three stars as well as the Herbig-Haro ...