Coalsack Nebula

Star Lore

The Coalsack Nebula is a dark nebula that obscures a section of the Milky Way in the southeast quadrant of the Southern Cross. It is the most prominent dark nebula in the skies and the topic of several legends in Africa, Australia and South America.

Africa

!Kung

The !Kung people at the western edge of the Kalahari Desert call the Coalsack Nebula the Old Bag of the Night.

Source: ASSA - African Ethnoastronomy

Dark patches of the Milky Way over the Kalahari
Source: Nasa Wallpapers

Australia

Kamilaroi and Euahlayi

In A Comparison of Dark Constellations of the Milky Way, Steven R. Gullberg et al. provides a good description of the patterns seen by Aboriginal people:

"Emu in the Sky” is perhaps the best-known Aboriginal constellation ... It comprises dark nebulae within the plane of the Milky Way. The Coalsack Nebula, near the Southern Cross, forms the head, and the body extends along the Milky Way, outlined by the galactic bulge through the constellations of Scorpius and Sagittarius. ...

In traditions of the Kamilaroi and Euahlayi people of northern New South Wales, the position of the celestial emu at dusk throughout the year denotes the animal’s behavior patterns and seasonal change, and is linked with initiation ceremonies.

Source: Steven R. Gullberg et al.

Emu Rock Art in Ku-ring-gai Chase National Park, Sydney
Source: sydneyoutback.rezdy.com
Emu in the sky and on the rocks
© Barnaby Norris

Boorong

The Boorong call the emu Tchingal, its head is prominemtly formed by the Coalsack Nebula.

Spiritual Cowboy tells the story of the great hunt of Tchingal, as told be the Boorong to William Stanbridge:

Tchingal is the giant emu that eats people and therefore made families live in constant fear of their lives. The crow grew tired of the constant harassment and told of his dread to the Berm-Berm Gle brothers (the pointer stars Alpha and Beta Centauri). They promised to help him if crow would lead them to the fearsome giant.

The ensuing battle raged over a wide region, which helped to define the current landscape and ultimately their quarry was cornered. To their surprise it was the Singing Bush lark, Weetgurrk (Zeta Boötis), that delivered the deathblow, the final spear thrust, which secured the future safety for all people.

The heroic brothers then split each feather of the giant emu down the middle, casting one half of the feathers on the right hand side and the other half on the left, making two heaps. One of these heaps became the cock, the other the hen of the present race of emus, which are much, much smaller in size.

It was arranged that all future emus should lay a number of eggs instead of one only as the giant had. The splitting of the feathers is still easily observable in the twin-shafted feathers of all emus today.

On first sighting Tchingal in the night sky the observer is overwhelmed by its immensity. Its head is what other astronomers call the Coal Sack, just to the bottom left of the Southern Cross, its neck extends down through the pointers and its body is the large dark patch just before reaching Scorpius. Its legs hang down into the tail of Scorpius.

Source: Creativ Cowboy: Stars over Tyrell
Head of the emu
in the Coalsack Nebula
(with Crux to the right)
Source: Wikipedia

Emu
Source: ABC Net Australia


Wotjobaluk

The Wotjobaluk (also from what is now Victoria) have a similar story. In their version, the brothers are called the Bram-bram-bult brothers and β Crucis is their mother, called Druk.

β Crucis is Bunya, the timid possum. δ, ε and α Crucis are the three spears that struck Tchingal in the chest, through his neck, and in the rump, repectively.

Source: Budja Budja Aboriginal Cooperative

The Wotjobaluk too see the Coalsack Nebula as the Giant Emu Tchingal, but in a different story also interpret the Nebula as the top of a giant pine tree that can be used to climb to the sky.

Source: ABC TV Australia

Australian Pine; etsy.com


Wardaman

Australian writer W. E. Harney reports that to the Wardaman people of the Northern Territory, the Coalsack Nebula represents head and shoulders of a law-man watching the people to ensure they do not break traditional law.

According to the website Indigenous Astronomy, this law-man, called Utdjungon will "...cast a fiery star to the Earth if laws and traditions are not followed. The falling star will cause the earth to shake and the trees to topple."

Sources: Wikipedia, Indigenous Astronomy

Crux and Coalsack Nebula
© amazingsky.net

South America

Inca

The Inca saw a number of constellations within the dark patches of the Milky Way. To them, the Coalsack Nebula was Yutu, the Tinamou.

Tinamou are birds indigenous to the Andes and are of very ancient lineage.

Sources: Gary Urton: At the Crossroads of the Earth and the Sky: An Andean Cosmology
Steven R. Gullberg et al. A Comparison of Dark Constellations of the Milky Way
Gullberg, Steven Roland: The cosmology of Inca huacas.

Tinamou; British Museum
Another Inca myth mentions the god Ataguchu. Ataguchu and his twin brother Piguero are part of the Inca creation myths in which they showed the first people how to escape the underworld.

In a myth told on the website of the European Southern Observatory, Ataguchu kicked the Milky Way in a fit of anger, causing a fragment to fly off and form the Small Magellanic Cloud. The Coalsack is the black mark left behind where the broken fragment was.

Sources: European Southern Observatory, constellation-guide.com

Kalapalo

The Kalapalo people in what is now the Brazilian state of Mato Grosso saw the Coalsack Nebula as a beehivehad and the stars of the Southern Cross as Aganagi, angry bees that had emerged from the hive.

Source: Wikipedia

Bee Hive
Source: clipart.email

Mocoví

Alejandro López relates the cosmology of the Mocoví people of the Gran Chaco area to the the Coalsack Nebula and a mythical being called the Mañic.

He writes that the Mañic: "... is the master of the South American rheas. It used to shelter in a number of burrows, under the roots of an ombú.

The Rhea is a large flightless bird, distantly related to the ostrich and emu. The Ombú is a massive tree with an umbrella-like canopy.

Great Rhea; Wikipedia

A Mocoví mythical tale has that a powerful man decided to face the Mañic. He chased the Mañic throughout the world and the cornered Mañic climbed up the ombú trunk (the tree of the world) to the sky.

Today, the shadow-soul (la 'al) of the Mañic can be seen in the Milky Way's dark clouds, with its head in what we know as the Coalsack. Alpha and Beta Centauri are dogs chasing the Mañic and bite at its neck."

Source: Steven R. Gullberg et al. A Comparison of Dark Constellations of the Milky Way
The Mañic; art by Jessica Gullberg,
constellation from López and Alterlieb
Source: researchgate.net

Modern Fiction

The Coalsack Nebula is mentioned in two episodes of Star Trek: The Original Series:

- The Immunity Syndrome
- Let That Be Your Last Battlefield.

In the star chart of the Star Trek Role Playing Game
The Way of D'era: The Romulan Star Empire, the Nebula is shown within the United Federation of Planets at the border to the Romulan Star Empire

Source: memory-alpha.fandom.com
memory-beta.fandom.com

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