The four designations for the nebula are NGC 2237, NGC 2238, NGC 2239, and NGC 2246. From a dark site, you’ll first spot NGC 2244. Several dozen stars — a half dozen brighter than 8th ...

Deep-sky observers bestow unofficial nicknames to many, like the Lagoon (M8), Rosette (NGC 2237–9/44), and California (NGC 1499) nebulae. Luna is no exception; it too has its share of fanciful ...

Framed in this single, starry, telescopic field of view are two open star clusters, M35 and NGC 2158. Less-bright, non-blue stars like our Sun surely also exist in this M41 star cluster but are harder ...

Korean researchers develop terahertz wave control technology thousands of times faster Domestic researchers have developed a technology that can control light at a speed thousands of times faster ...