The red comet
The red comet is the first and most widely seen supernatural portent of the War of the Five Kings, a celestial body whose appearance coincides with the death of King Robert Baratheon and the scattering of his realm into armed factions. Its tail is described as a fiery smear across the night sky, red as blood or flame, and it remains visible for weeks, growing brighter before it slowly dims and vanishes. No character in the story ever learns what the comet truly is; the narrative withholds any definitive explanation, leaving its significance entirely to the interpretations of those who gaze up at it.
Appearances and Physical Description
The comet is first glimpsed in the eastern sky shortly after the events that close A Game of Thrones. It is said to be as bright as a second moon, with a long, ruddy tail that stretches across a quarter of the heavens. In the Riverlands, Arya Stark sees it through the smoke of a burning village; at Dragonstone, Melisandre claims it as a sign of Azor Ahai reborn; on the Dothraki sea, Daenerys Targaryen takes it as an omen of her dragons' awakening. The comet's light is strong enough to cast shadows at night, and its color shifts from deep crimson to orange as it tracks across the sky. Over the course of A Clash of Kings it gradually fades, and by the opening of A Storm of Swords it is no longer mentioned, having passed beyond the visible world.
Competing Interpretations
Every major faction reads the comet as a confirmation of its own cause. To the Lannisters, it is a sign of their golden power and the justice of Joffrey's reign. To Stannis Baratheon's followers, especially Melisandre, it is the bleeding star that heralds the return of Azor Ahai, the prophesied warrior wielding Lightbringer. Robb Stark's northern army sees it as a mark of their king's legitimacy, while the ironborn under Balon Greyjoy take it for a kraken's banner unfurled across the sky. In the east, the Dothraki call it "the dragon's tail" and Daenerys Targaryen, emerging from Khal Drogo's funeral pyre with three hatched dragons, is immediately associated with its appearance. The maesters of the Citadel, by contrast, offer a natural explanation: the comet is merely a celestial body whose orbit has brought it close, stripped of any prophetic meaning.
Narrative Function and Thematic Significance
The comet functions as a floating signifier, a vivid image onto which every character projects their own desires and fears. Its polysemy—the fact that it can mean so many contradictory things at once—underscores one of the central themes of the series: the human need to find pattern and purpose in a chaotic world, and the ease with which signs are recruited to serve pre-existing convictions. The comet never acts; it is never shown to cause any event. It simply hangs in the sky, and the story's people do all the work of interpretation. By the time it fades, the narrative has moved on, and no character ever learns whether their reading was correct. The comet thus becomes a structural emblem of the series' own method: a world dense with signs, but one in which meaning is never guaranteed by an authorial voice, only constructed and contested by the characters who inhabit it.