The KBC Void (or Local Hole) is an immense, comparatively empty region of space, named after astronomers Ryan Keenan, Amy Barger, and Lennox Cowie, who...

abbreviated Sgr A* (/ˈsædʒ ˈeɪ stɑːr/ SADGE-AY-star), is the supermassive black hole at the Galactic Center of the Milky Way. Viewed from Earth, it is located...

A black hole is a region of spacetime where gravity is so strong that nothing, not even light and other electromagnetic waves, is capable of possessing...

The Chicago rat hole was a hole shaped like a rat in the sidewalk of West Roscoe Street in the Roscoe Village neighborhood of Chicago, Illinois, United...

Mel's Hole is, according to an urban legend, a "bottomless pit" near Ellensburg, Washington. Claims about it were first made on the radio show Coast to...

Dragon Hole, also known as Yongle Blue Hole named after the third Ming emperor, was the deepest known blue hole in the world at 300.89 metres (987.2 ft)...

A glory hole (also spelled gloryhole and glory-hole) is a hole in a wall or partition, often between public lavatory cubicles or sex video arcade booths...

Sot's Hole is a local nature reserve in West Midlands, England. It is on the west side of Sandwell Valley, and north-east of West Bromwich. The site,...

deep. It was discovered in about 2003 by a local diver who followed a grouper that went into its mouth. The hole was forgotten until the son of that fisherman...

Bumble Hole Local Nature Reserve is situated in the Netherton area of Dudley Metropolitan Borough in the county of West Midlands, England. This former...

A supermassive black hole (SMBH or sometimes SBH) is the largest type of black hole, with its mass being on the order of hundreds of thousands, or millions...

hole in some foreign location, more often than not there is no hole involved at all. A local landmark or road near a honey hole may have "Honey Hole"...

local universe up to 300 Mpc from the Milky Way is less dense than surrounding areas – by 15–50%. This has been called the Local Void or Local Hole....

A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed...

several parks, green spaces and the Grant Nature Center. Holes Creek has the name of the local Hole family who settled there. List of rivers of Ohio U.S....

A watering hole or waterhole is a geological depression in which a body of water forms, usually a pond or a small lake. A watering hole is "a sunken area...

on-site by lunch wagons to construction workers and day laborers. Later, local hole-in-the-wall restaurants and other stand-alone plate lunch restaurants...

quickly to be orbiting the Milky Way. Astronomers discovered a new black hole inside the Large Magellanic Cloud in November 2021 using the European Southern...

Finkelstein used general relativity to introduce a stricter definition of a local black hole event horizon as a boundary beyond which events of any kind cannot...

the equivalence principle applied to black-hole horizons. Close to the event horizon of a black hole, a local observer must accelerate to keep from falling...

holes, see the OJ 287 system. Unambiguous dynamical evidence for SMBHs exists only in a handful of galaxies; these include the Milky Way, the Local Group...

sanctioned tournaments, or via local qualifying in the UK. The format of the final tournament was originally 36 holes played on a single day, but has...

The Blue Hole is a diving location on the southeast Sinai, a few kilometres north of Dahab, Egypt on the coast of the Red Sea. The Blue Hole is a submarine...

This list of black holes (and stars considered probable candidates) is organized by mass (including black holes of undetermined mass); some items in this...

Woods Hole is a census-designated place in the town of Falmouth in Barnstable County, Massachusetts, United States. It lies at the extreme southwestern...

The Hole of Horcum is a section of the valley of the Levisham Beck, upstream of Levisham and Lockton, in the Tabular Hills of the North York Moors National...

is a local dialect word for a steep sided, wooded valley. Boggart Hole Clough was designated a Local Nature Reserve in 2008. Historically, local activists...

fluid that is flowing more quickly than the local speed of sound. They are called sonic, or acoustic, black holes because these trapped phonons are analogous...

The Black Hole of Calcutta was a dungeon in Fort William, Calcutta, measuring 14 by 18 feet (4.3 m × 5.5 m), in which troops of Siraj-ud-Daulah, the Nawab...

A priest hole is a hiding place for a priest built in England or Wales during the period when Catholics were persecuted by law. Following the accession...