The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

In fact, many dark nebulae along the galactic plane become visible under dark skies, including the Great Rift, which sprawls from Cygnus to Centaurus. To find the Dark Horse, look to the right of ...

The Messier catalog, popular with amateur astronomers, was actually just a by-product of comet hunting. The aim was to avoid ...

Terzian gave me a copy of his Optical Atlas of Galactic Supernova Remnants and ... a reverse shock wave propagating from the outer edge of the nebula back toward the central star, sublimating ...

A collaboration of scientists from The University of Manchester and the University of Hong Kong have found a source for the mysterious alignment of stars near the Galactic Centre. The alignment of ...

Look for the Orion constellation and the Orion Nebula (Messier 42) -- our solar system came from that direction!" The increased dust from this galactic encounter could have had several effects.

The Tarantula Nebula is one of the most luminous and active star-forming regions in our galactic backyard. The rich reservoirs of dust and gas within the Tarantula Nebula provide the material ...

ABSTRACT Bipolar, elliptical, and circular planetary nebulae appear to be possessed of differing Galactic scale heights, a feature which is usually assumed to arise from the differing distributions ...

According to the researchers, despite the vast differences in energy and scale—ranging from slow gas outflows in planetary nebulae to relativistic jets in active galactic nuclei—outflow ...

ABSTRACT Up to now, 10 planetary nebulae have been regarded as halo planetary nebulae (halo PNe). We obtained low‐ and moderate‐dispersion spectra of the spatially resolved halo planetary nebula H4‐1 ...