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Hubble Reveals Luminous Barred Spiral IC 486 — 380 Million Light-Years Away

Hubble Reveals Luminous Barred Spiral IC 486 — 380 Million Light-Years Away
Photos: Large luminous swirl of galaxy called IC 486 seen millions of light-years from Earth

NASA’s Hubble Space Telescope has imaged barred spiral galaxy IC 486, roughly 380 million light-years away in the constellation Gemini. The photos show a pale central bulge of older stars and bluish outer arms where new stars are forming. Hubble also captured a bright active galactic nucleus powered by a supermassive black hole exceeding 100 million solar masses, plus a more distant background galaxy. Continued monitoring will help link large-scale structure with nuclear activity to better understand galactic evolution.

Following a string of high-profile space milestones, including Artemis II, NASA’s Hubble Space Telescope has delivered another striking image: a barred spiral galaxy known as IC 486, glowing against the black backdrop of deep space.

IC 486 sits on the outskirts of the constellation Gemini at an estimated distance of about 380 million light-years from Earth. In astronomical terms, a light-year is the distance light travels in one year.

Spiral galaxies like IC 486 are often surrounded by a halo of old stars, compact star clusters and dark matter — the unseen material that exerts gravitational influence but neither emits nor reflects light. Because we view the Milky Way from inside and edge-on, we cannot observe its spiral pattern the way we can in external galaxies such as IC 486.

Hubble’s detailed exposures reveal clear color contrasts across the galaxy. The central region appears pale, dominated by an older stellar population, while the outer arms show fainter bluish hues that mark more recent star formation.

"At the galaxy’s center, a noticeable white glow outshines the starlight around it," NASA said. "This is light from IC 486’s active galactic nucleus (AGN), which is powered by a supermassive black hole more than 100 million times the mass of the Sun."

NASA notes that most sufficiently large galaxies host central supermassive black holes; some are particularly active, accreting gas and emitting intense radiation from their nuclei. The bright central glow in IC 486 is attributed to such an active galactic nucleus (AGN).

The Hubble frame also captures a more distant galaxy in the background, underscoring the depth of the image and the crowded scales of the cosmos.

Ongoing Hubble observations aim to connect large-scale features — the blue and white spiral arms — with central activity to help astronomers understand how galaxies assemble and evolve over time. Over millions of years, IC 486’s structure will continue to change as stars are born, age and fade, contributing to the long lifecycle of galaxies.

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Hubble Reveals Luminous Barred Spiral IC 486 — 380 Million Light-Years Away - CRBC News