Within the winter sky's hallmark star, Orion the Hunter, is the intriguing fuzzy patch known as the Great Orion Nebula (or M42). This image is a composite of four colours of infrared light (courtesy of the WISE observatory orbiting the Earth), showing how this nebula bursts with forming stars, all surrounded by heated gas and space dust. Trapezium is a star cluster within the centre of the nebula, and often noted as the source of the Orion Nebula's grand appearance (accompanied by the reflecting dust filemanets which colour the region an eerie green).
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