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Markarian 178
Massive stars make their mark
This glittering blue galaxy and subject of today’s ESA/Hubble Picture of the Week is a blue compact dwarf galaxy called Markarian 178 (Mrk 178). This galaxy, which is substantially smaller than our own Milky Way, lies 13 million light-years away in the constellation Ursa Major (The Great Bear)....
NGC 1792
A storm of new stars
The subject of the latest Hubble Picture of the Week is a stormy and highly active spiral galaxy named NGC 1792. Located over 50 million light-years from Earth in the constellation Columba (the Dove), the bright glow of the galaxy’s centre is offset by the flocculent and sparkling spiral arms...
LMC N159
Baby stars blowing bubbles
Today’s ESA/Hubble Picture of the Week brings a distant stellar birthplace into focus. This gigantic cloud of cold hydrogen gas is called N159, and it’s located about 160 000 light-years away in the constellation Dorado. N159 is one of the most massive star-forming clouds in the Large...
LDN 1641
Euclid Peers through a Dark Cloud’s Dusty Veil
This shimmering view of interstellar gas and dust was captured by the European Space Agency’s Euclid space telescope. The nebula is part of a so-called dark cloud, named LDN 1641. It sits at about 1300 light-years from Earth, within a sprawling complex of dusty gas clouds where stars are being...
NGC 4535
Finding star clusters in the Lost Galaxy
Today’s ESA/Hubble Picture of the Week features the spiral galaxy NGC 4535, which is situated about 50 million light-years away in the constellation Virgo (The Maiden). This galaxy has been nicknamed the ‘Lost Galaxy’ because it’s extremely faint when viewed through a small telescope. With a...
NGC 1511
A disruptive neighbour
Though interesting to look at, NGC 1511 is one galaxy you might not want for a neighbour. Seen in this ESA/Hubble Picture of the Week, NGC 1511 is a peculiar spiral galaxy located roughly 50 million light-years away in the constellation Hydrus. Like many galaxies, NGC 1511 doesn’t travel...
RCW 94
Wide-field view around the RCW 94/95 nebulae
This image from the Digitized Sky Survey (DSS) shows the region of the sky around the RCW 94 and RCW 95 nebulae, seen here at the centre of the image. The nebulae are part of a larger complex of clouds resembling a bat, with RCW 94 representing the right wing and RCW 95 the body, respectively.
RCW 94
The RCW 94/95 nebulae in visible light
This image shows a cloud of gas and dust, shaped like a cosmic bat. The image was obtained in visible light with the VLT Survey Telescope (VST), hosted at ESO’s Paranal Observatory in Chile. The intense red glow comes from hydrogen atoms ionised by the intense radiation of young stars within...
RCW 94
The RCW 94/95 nebulae in visible and infrared light
This image shows a cloud of gas and dust, shaped like a cosmic bat. The image was obtained mostly in visible light with the VLT Survey Telescope (VST), hosted at ESO’s Paranal Observatory in Chile. The intense red glow comes from hydrogen atoms ionised by the intense radiation of young stars...
NGC 4102
Revisiting an unusual spiral
What lies at the heart of this unusual-looking spiral galaxy? The galaxy NGC 4102, featured in this ESA/Hubble Picture of the Week, is home to what astronomers call an active galactic nucleus. Active galactic nuclei are luminous galactic centres powered by supermassive black holes that contain...
ACO 3574
A Cluster of Interacting Galaxies
The galaxy cluster Abell 3574 is captured here by the 570-megapixel Department of Energy-fabricated Dark Energy Camera (DECam) on the Víctor M. Blanco 4-meter Telescope, one of around 40 telescopes at the U.S. National Science Foundation Cerro Tololo Inter-American Observatory (CTIO) in Chile,...
M82
A starburst shines in infrared
Featured in this NASA/ESA/CSA James Webb Space Telescope Picture of the Month is a nearby galaxy that outshines the Milky Way. This galaxy, called Messier 82 (M82) or the Cigar Galaxy, is situated just 12 million light-years away in the constellation Ursa Major. Despite being smaller than the...
Featured from the Archive
Comet 3I/ATLAS
Comet 3I/ATLAS
This is a Hubble Space Telescope image of the interstellar comet 3I/ATLAS. Hubble photographed the comet on July 21, 2025, when the comet was 277 million miles from Earth. Hubble shows that the comet has a teardrop-shaped cocoon of dust coming off its solid, icy nucleus. Because Hubble was...
