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Hubble’s Star Clusters

A collection of star clusters imaged by the Hubble Space Telescope

This Hubble Space Telescope image shows a bright scattering of stars in the small constellation of Sagitta (the Arrow). This...
Several stars shine against black space.
It may be famous for hosting spectacular sights such as the Tucana Dwarf Galaxy and 47 Tucanae, the second brightest...
Bright cluster of white, blue-white, and red-orange stars on a dark starfield
The Hubble Space Telescope has provided strong evidence that white dwarfs, the burned-out relics of stars, are given a "kick"...
Dozens of bluish-white (sometimes with a reddish outer hue) shining brightly, with hundreds more stars in the background.
The compact nature of globular clusters is a double-edged sword. On the one hand, having so many stars of a...
Thousands of bright white and reddish-white stars, packed tightly together near the center and becoming more scattered farther out.
The Hubble Space Telescope offers here an impressive view of the center of globular cluster NGC 6362. The image of...
Sprinkling of white stars with dazzling reds and blues
This sparkling picture taken by the Hubble Space Telescope shows the center of globular cluster M4. The power of Hubble...
A colorful ball of thousands of stars in white, reddish-white, reddish-orange, and bluish-white.
These bright stars shining through what looks like a haze in the night sky are part of a young stellar...
A dozen or so bright stars peer through a blue/lavender haze in the top half of the image
Globular clusters are roughly spherical collections of extremely old stars. The clusters all look very similar, and in Hubble’s images...
A centralized sprinkling of diamonds, citrine and topaz on black velvet. Mostly small, but with a few large-carat dazzlers.
Globular clusters are relatively common in our sky, and generally look similar. However, this image shows a unique example of...
White and yellow-orange stars packed tightly near the center in a sphere-shape, and thinning out farther from the center.
Globular cluster NGC 1806 is made up of tens of thousands of stars gravitationally bound into a rich cluster. Most...
White, red-orange, and a few blue stars packed tightly near the center in a sphere-shape, and thinning out farther from the center.
Most of the rich globular star clusters that orbit the Milky Way have cores that are tightly packed with stars,...
Thousands of stars scattered across a black background. The stars in the foreground appear orange, orange-white, blue, and blue-white.
Globular cluster NGC 1854 is located about 135,000 light-years away in the Large Magellanic Cloud, one of our closest cosmic...
A gathering of red, white and blue stars, more tightly packed near the center of the image. Thousands more stars dot the background
Because globular clusters like Messier 12 (M12) have such high concentrations of stars, they often contain binary star systems —...
A globular cluster of thousands of white, blue, and larger yellow stars.
The NASA/ESA Hubble Space Telescope has captured a crowd of stars that looks rather like a stadium darkened before a...
A bright cluster of white and yellow stars against black space.
This collection of dazzling stars is called NGC 6611, an open star cluster that formed about 5.5 million years ago...
A hazy pinkish-reddish-white gaseous backdrop, with dark-blue globs of gas and dust in the lower-left. Several dozen white stars shine in the foreground, with hundreds more in the background that appear reddish-orange.
In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the compact center of Messier 70, a...
A cluster of bright stars, concentrated at the center.
The globular star cluster Djorgovski 1 is located close to the center of our Milky Way Galaxy, within the bulge....
A cluster of white, blue-white, and orange stars, more densely concentrated at the center.
This image captures the stunning NGC 6535, a globular cluster in the constellation Serpens. Globular clusters are gravitationally bound groups...
A loose concentration of a multitude of bright white stars on a black background, with the higher concentration of stars toward the center of the grouping.
This rich collection of scattered stars, known as Messier 72, looks like a city seen from an airplane window at...
A cluster of white stars, loosely concentrated toward the center.
What was once only visible as a ghostly mist in the eyepieces of astronomical instruments has been transformed into a...
A cluster of white, blue-white, and orange stars, more densely concentrated at the center.
Although it currently lies on the outskirts of the Milky Way’s halo, star cluster Palomar 12 was not born here....
A scattered collection of bright white stars against the black background of space. The stars vary in brightness and some have t-shaped diffraction spikes.
The Hubble Space Telescope produced this image of the globular cluster Messier 56 (also known as M56 or NGC 6779)....
Large galaxy that's globular in shape, the closer to the center you get the brighter and whiter the image due to the amount of stars. Stars are everywhere in this image, of all sorts of colors.
This image, taken with the Hubble Space Telescope, shows the globular cluster Terzan 1. It is located within the constellation...
A globular cluster consisting of around a hundred thousand stars
This Hubble Space Telescope image shows a glittering bauble named Messier 92 (M92). M92 is one of the brightest globular...
A bright cluster of stars, more concentrated at the center.
The star cluster Pismis 24 lies within the much larger emission nebula called NGC 6357, located about 8,000 light-years from...
The bottom half of the image is filled by a nebula, an orange, yellow, and brown, with an arch-shaped structure in the center. The top-half the image has a dozen or so bright stars shining in the foreground, and many more in the background.
Appearing like glistening precious stones, M42’s Trapezium cluster, named for the trapezoidal arrangement of its central massive stars, is seen...
Bright stars at the center that form a trapezium.
Globular clusters are big balls of old stars that orbit around their host galaxy. It has long been believed that...
A sprinkling of mostly whitish and a few reddish stars on black.
This Hubble Space Telescope image shows a small part of the Large Magellanic Cloud, one of the closest galaxies to...
Dazzling blue stars amid swaths of magenta gas and dust.
Globular clusters are big balls of old stars that orbit the centers of their galaxies like satellites. This one, NGC...
A bright glob of white stars with some yellow blazing through.
This Hubble Space Telescope image shows rich detail in a pair of star clusters 166,000 light-years away in the Large...
Large cluster of stars globbing together. The image itself has an orange hue to the point that every star is either orange, white orange, or deep red. Brighter in the center of the image.
In the most active starburst region in the local universe lies a cluster of brilliant, massive stars, known to astronomers...
Clouds of dark and light pink, and green fill the scene. Upper-left half of the image is pink, while the lower right half is more green. A cluster of brilliant, massive stars is visible in the lower right.
This stunning picture of the giant galactic nebula NGC 3603 captures various stages of the life cycle of stars in...
Large cluster of blue stars in the center of the image, surrounded by yellow-orange and pink dust and gas.
This stellar swarm is M80 (NGC 6093), one of the densest of the 147 known globular star clusters in the...
A giant sphere of stars in colors of white, yellow, yellow-orange
NGC 1850, imaged here with the Hubble Space Telescope, is an unusual double cluster that lies in the bar of...
A nearly spherical gathering of yellow, orange, and white stars at center top. Blue gas cloud extends from top left to center bottom.
This image peers into the center of a dense swarm of stars called Omega Centauri. Located some 17,000 light-years from...
Image full of yellow, white, and the occasional blue stars.
M15 is one of nearly 170 known globular clusters that form a vast halo surrounding our Milky Way Galaxy. M15...
A dense globular cluster of thousands of white, red-orange, and blue stars.
This Hubble Space Telescope view of the core of one of the nearest globular star clusters, called NGC 6397, resembles...
A clustered sprinkle of multi-colored stars: yellow in the foreground, blue-white farther away, and white stars in the background.
This open star cluster, called NGC 290, is located in the Small Magellanic Cloud, a dwarf galaxy orbiting our own...
Blue and red stars shine in the foreground, with thousands more stars of all colors (mainly red, orange, white, and blue) in the background.
The Hubble Space Telescope captured this image of the open star cluster NGC 265 in the Small Magellanic Cloud in...
Blue and red stars shine in the foreground, with thousands more stars of all colors (mainly red, orange, white, and blue) in the background.
Hubble uncovered what astronomers called the dimmest stars ever seen in any globular star cluster. A globular cluster's dimmest stars...
Dozens of bluish-white (sometimes with a reddish outer hue) shining brightly, with hundreds more stars in the background.