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ESA Space NewsEuropean Union29 October 2026

Space Telescopes Capture Complementary Views of the Cat's Head Nebula

The European Space Agency (ESA) shared new images of a star-forming region named the Cat's Head Nebula, captured jointly by the Hubble Space Telescope and the James Webb Space Telescope. Located about 7,500 light-years away inside the larger Carina Nebula, this cloud of gas and dust resembles a sitting cat. Astronomers use these dual views to study how stars form out of cold cosmic dust. Hubble observes visible light, showing a dark, opaque pillar carved by radiation from nearby stars. Webb uses near- and mid-infrared light to peer straight through the dust, uncovering hidden young stars and glowing carbon-based molecules. Comparing light wavelengths gives scientists a clearer picture of chaotic stellar nurseries. For everyday readers, these detailed observations offer a rare look at the birthplaces of stars, showing how energetic radiation sculpts space dust into temporary, recognizable shapes before the dust cloud eventually disperses.

What was announced

ESA published complementary images of the Cat's Head Nebula, a dust pillar within the Carina Nebula located roughly 7,500 light-years from Earth. The observation combines findings from the NASA/ESA Hubble Space Telescope and the NASA/ESA/CSA James Webb Space Telescope.

Hubble captured the region in visible light. In this view, the nebula looks like an opaque, dark brown pillar. A glowing red eye marks a young star embedded in dust, and a hazy yellow rim traces gas that is ionised and heated by ultraviolet radiation from nearby massive stars.

Webb imaged the same location using its NIRCam (near-infrared) and MIRI (mid-infrared) instruments. The near-infrared view makes the dust pillar semi-transparent, revealing a dense group of stars and a faint gas jet near the cat's belly. The mid-infrared view highlights warm dust and carbon-based molecules called polycyclic aromatic hydrocarbons.

What it means

Observing the same object across different light wavelengths helps astronomers trace the stages of star formation. Stars begin inside dense clouds of gas and dust. Visible light cannot pass through thick dust clouds, which makes stars hard to see while they are forming.

Infrared light passes through these dust barriers. Webb's instruments allow scientists to see young stars embedded inside the pillar and study how their energy pushes out gas jets. At the same time, ultraviolet radiation from massive surrounding stars erodes the cloud through photoevaporation, a process where light heats gas until it evaporates.

What the announcement does not tell us

The announcement does not state the precise age of the Cat's Head Nebula or how long it will take to disperse completely. It also does not clarify whether a bright yellow light source seen to the right of the pillar in the mid-infrared image is physically connected to the narrow filament crossing it. ESA did not detail the specific distance to the individual young stars discovered inside the pillar.

How this was written

This analysis was written with AI from the official announcement below, using only facts that announcement states. The quoted wording is ESA Space News’s own. Always check the original before acting on anything here.

The NASA/ESA Hubble and the NASA/ESA/CSA James Webb Space Telescopes recently stared at an eerie star-forming scene within the Carina Nebula, a massive gas and dust cloud located approximately 7500 light-years away from Earth. The two telescopes offer complementary views of the shadowy form, nicknamed the Cat’s Head Nebula, which reflects the 'magical'' process of star formation. Hubble’s visible-light view shows the cat as a dark, elongated dust pillar and hints of young forming stars, while Webb’s infrared-light imagery unveils many stars and other hidden details.
Source: ESA Space News

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