Comets and Rock Art
Comets in Negev Desert Rock Art
Deciphering rock art from Israel, israelrockart.com.
To an earthbound observer, a comet appears as a large star surrounded by a bright transparent cloud with a long tail that travels through the sky. Comets’ appearances in a relatively “known” sky, captivated people’s minds and their interpretation of comets has been found on rock art, coins, and art. Different cultures describe it as a sparkling star, broom star, long sword, spear, a human head with hair, a demon, a burning torch, and even as a horse’s mane blown by air. Comet’s visible impact had a profound effect on people, and they interpreted them as messages from their gods. Their infrequent and sudden appearance equated them to a harbinger of a bad omen. A quote by the Roman historian Pliny after Julius Caesar’s death that coincided with the comet’s appearance over Rome illustrates such feelings ”…a comet was visible for seven days… The common people believed it was the soul of Caesar received among the immortal gods…’
Comet Description and Movement
Comets are icy bodies, made from frozen gases and dust that reminded in their outer composition a dirty snowball. Their eccentric orbit, around the Sun, made them infrequent visitors to earth. Therefore, their appearance from the earliest days until the 16th-century ignited people’s imagination and they thought of them as harbingers of doom, bad omens, catastrophes, and deaths.
The Greeks originated the word kometes, which translates to “long-haired star” because of their glowing long tails. Aristotle, a Greek philosopher, phrased them as “running like a road through the constellations”. Comets often have two types of luminous tails: a straight one made of ionized gas (typically bluish) and a curved tail (white to yellowish) made up of tiny particles of dust compressed by radiation pressure. The comet tail doesn’t indicate its movement direction as expected– it always points away from the Sun and sometimes its travel direction appears to defy gravity. In other words, the comet movement as seen from the earth can be either toward the tail or its nucleus.
Comets in Negev Desert Rock Art, Israel
The Sumerian expression “like above, so below” expresses the people’s desire to create on earth a parallel to the heavens. For the ancients, the stars represented the mighty gods, and the constellation’s outline created earthly images of man/women and animals living in heaven. The earthly scenes we see in rock art are copies from the star’s outline or the constellations.
Numerous rock art engravings show us how people interpreted comets’ sky appearance. These repeated scenes display a horse rider holding a very long spear fighting an invisible enemy, see Fig.5. The “spear” has an odd shape with a bulky nucleus that ends with a long tail that gets thinner. This is not a spear!. The scenes in Fig.5 illustrate the difference between a comet and a spear abstraction. In scene1 the curved spear signifies the comet movement as seen from earth curvature. Notice the comet’s bulky nucleus on the right and the comet flight direction as indicated by its tail, the same for scene2. For comparison, a rock art with a horse and rider with a real spear, notice the spear sharp edge as illustrated in scene3.
Horse and rider as a comet in rock art
In ancient times a comet would be identified as a star with tails. Fig.6 illustrates a creative example of comet abstraction with multiple tails. This scene shows a rider holding a long object with a bulky end, not sharp, and a long, thin tail. Multiple tails, which extend from the bulky end, are drawn as diagonal dots running through the horsetail. On the right side of the horse are more engraved tails that are shorter and less developed, resembling a broom, which is a known abstraction of a comet. The horse-foot portrayed as wheels represents the artist’s imagination about the comet’s ability to travel through the sky, much like the Roman Sun chariots.
The horse and rider form a metaphorical comet that gallops through the sky. The rider throws the spear toward the horsetail, which indicates the direction the comet is moving in, as attested by his turned head and feet.
The Demon Comet
The Jewish Maccabean Revolt 164 BC (Horwowitz W 2018) coincided with Halley’s Comet appearance, which was brighter and larger than Venus. Records show that Halley’s Comet returned in 66AD, just months before the outbreak of the Jewish revolt against Rome, in 66-73 AD, Josephus a first-century Romano-Jewish historian described it: “And so it was that a star resembling a sword stood over the city (Jerusalem); a comet persisted for a very long time”.
Fig.7, rock art from the Negev Desert, depicts a horned figure holding a spear. This is a classical illustration of a horned demon thought by the ancients to be responsible for the spread of illnesses and the deeds of evil spirits. The curved spear is a copy of a comet’s shape in the sky, tracing the comet’s movement along the earth’s curvature. The moon can be seen to the left of the horse, proving that the scene is a view of the sky.
In this rock art piece, the astral phenomenon of a comet is explained by earthly symbols, which made this scene believable. The horse with the wheel hoofs adapts this scene to that of a comet transiting through the sky similar to the Roman Sun Chariot.
Coimbra F. The sky on the Rock: Cometary images on Rock Art
Gardner S. 2016 The sun, moon, and stars of the southern Levant at Gezer
Horowitz W 2018 Halley’s Comet and Judean Revolts Revisited
Aksoy O., A combat Archeology viewpoint on weapon representation in Arabia Rock Art
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