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Sophie is halfway through the εpsilon mission onboard the ISS, and she has already accomplished so much. Between hundreds of hours of scientific research and thousands of photographs taken from space, she has taken the time to share many unforgettable moments with us — inspiring millions along the way on social media.

Even if you aren’t going to be within the path of totality, you can still watch the solar eclipse as it happens with Scientific American

A cold, cherry-blossom-hued exoplanet supports bizarre clouds chock-full of salts

Construction of the Deep Synoptic Array is about to start in rural Nevada. It will reveal untold galaxies in stunning detail and help explain how they form and grow

Beautifully written, this guide to distinguishing between truth, misinformation and lies, first published in 1995, remains an essential read for anyone who considers themselves a critical thinker, says Leah Crane

Beautifully written, this guide to distinguishing between truth, misinformation and lies, first published in 1995, remains an essential read for anyone who considers themselves a critical thinker, says Leah Crane

As the sun expands over the coming billions of years, Earth will become inhospitable to any life more complex than a microbe – but that might take longer than we thought

As the sun expands over the coming billions of years, Earth will become inhospitable to any life more complex than a microbe – but that might take longer than we thought

A star-forming galaxy in the early universe might have sent a ghostly particle known as a neutrino crashing into the ice at Earth’s South Pole, after an 11 billion-year journey through space.

The post “Shadow Blaster” Galaxy Might Have Sent High-Energy Neutrino to Earth appeared first on Sky & Telescope.

Explore Hubble

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2 min read

Hubble Glimpses Merging Galaxy Clusters This NASA Hubble Space Telescope image features a swarm of galaxies in the galaxy cluster called CL0016+1609 or MACS J0018.5+1626.NASA, ESA, H. Ebeling (University of Hawaii), D. Coe (STScI, ESA, JWST); Image Processing: G. Kober (NASA/Catholic University of America)

This NASA Hubble Space Telescope image features a galaxy cluster, called CL0016+1609 or MACS J0018.5+1626, that is very bright at X-ray wavelengths and is one of the most extensively studied clusters at X-ray and radio wavelengths. The X-ray observations of this cluster revealed that it is two clusters merging along our line of sight.

Researchers requested time to observe CL0016+1609 with Hubble’s Advanced Camera for Surveys because that data would help them accurately measure the cluster’s dark-matter distribution, which helps them study the merger and the role of CL0016+1609 in the large-scale structure of the universe. Hubble can’t directly see dark matter, but its infrared and visible light observations can detect dark matter’s gravitational lensing effects on the normal matter Hubble observes.

The data in this image also includes observations with Hubble’s Wide Field Camera 3 taken as part of an observing program that obtained the first Hubble infrared images of 46 massive galaxy clusters and looked for distant galaxies gravitationally lensed by these clusters. Called RELICS (Reionization Lensing Cluster Survey), this survey found some 300 high-redshift candidate galaxies lensed by these clusters.

You can see the faint vertical arc of one of these distant galaxies in the image above. Look for it just to the left of the large elliptical galaxies in the center of the image. Another brighter, though shorter arc is visible just above and to the right of the large elliptical galaxies in the center of the image.

Facebook logo @NASAHubble @NASAHubble Instagram logo @NASAHubble

Media Contact:

Claire Andreoli
NASA’s Goddard Space Flight Center, Greenbelt, MD
claire.andreoli@nasa.gov

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Details Last Updated Jun 18, 2026 EditorAndrea GianopoulosLocationNASA Goddard Space Flight Center Related Terms

• Hubble Space Telescope
• Astrophysics
• Astrophysics Division
• Galaxies
• Galaxy clusters
• Goddard Space Flight Center
• The Universe

Keep Exploring Discover More Topics From Hubble Hubble Space Telescope

Since its 1990 launch, the Hubble Space Telescope has changed our fundamental understanding of the universe.

Hubble’s Galaxies

Hubble Science Highlights

Hubble Images

Explore Hubble

• Hubble Home
• Overview
• Impact & Benefits
• Science
• Observatory
• Team
• Multimedia
• News
• More

2 min read

Hubble Glimpses Merging Galaxy Clusters This NASA Hubble Space Telescope image features a swarm of galaxies in the galaxy cluster called CL0016+1609 or MACS J0018.5+1626.NASA, ESA, H. Ebeling (University of Hawaii), D. Coe (STScI, ESA, JWST); Image Processing: G. Kober (NASA/Catholic University of America)

This NASA Hubble Space Telescope image features a galaxy cluster, called CL0016+1609 or MACS J0018.5+1626, that is very bright at X-ray wavelengths and is one of the most extensively studied clusters at X-ray and radio wavelengths. The X-ray observations of this cluster revealed that it is two clusters merging along our line of sight.

Researchers requested time to observe CL0016+1609 with Hubble’s Advanced Camera for Surveys because that data would help them accurately measure the cluster’s dark-matter distribution, which helps them study the merger and the role of CL0016+1609 in the large-scale structure of the universe. Hubble can’t directly see dark matter, but its infrared and visible light observations can detect dark matter’s gravitational lensing effects on the normal matter Hubble observes.

The data in this image also includes observations with Hubble’s Wide Field Camera 3 taken as part of an observing program that obtained the first Hubble infrared images of 46 massive galaxy clusters and looked for distant galaxies gravitationally lensed by these clusters. Called RELICS (Reionization Lensing Cluster Survey), this survey found some 300 high-redshift candidate galaxies lensed by these clusters.

You can see the faint vertical arc of one of these distant galaxies in the image above. Look for it just to the left of the large elliptical galaxies in the center of the image. Another brighter, though shorter arc is visible just above and to the right of the large elliptical galaxies in the center of the image.

Facebook logo @NASAHubble @NASAHubble Instagram logo @NASAHubble

Media Contact:

Claire Andreoli
NASA’s Goddard Space Flight Center, Greenbelt, MD
claire.andreoli@nasa.gov

Share

Details Last Updated Jun 18, 2026 EditorAndrea GianopoulosLocationNASA Goddard Space Flight Center Related Terms

• Hubble Space Telescope
• Astrophysics
• Astrophysics Division
• Galaxies
• Galaxy clusters
• Goddard Space Flight Center
• The Universe

Keep Exploring Discover More Topics From Hubble Hubble Space Telescope

Since its 1990 launch, the Hubble Space Telescope has changed our fundamental understanding of the universe.

Hubble’s Galaxies

Hubble Science Highlights

Hubble Images

People are increasingly turning to AI for mental health support—but its design is “antithetical” to mental health care, experts say

On Thursday Knicks fans are flocking to Manhattan for a ticker-tape parade. But where did ticker tape even come from?

Earth Observatory

1. Science
2. Earth Observatory
3. El Niño Is Underway

• Earth
• Earth Observatory
• Image of the Day
• EO Explorer
• Topics
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• About

Earth Observatory

1. Science
2. Earth Observatory
3. El Niño Is Underway

• Earth
• Earth Observatory
• Image of the Day
• EO Explorer
• Topics
• More Content
• About

Archaeologists have discovered traces of a wooden structure built 5000 years ago, 5 kilometres from Stonehenge, which appears to have been an even older monument for marking the summer solstice

Archaeologists have discovered traces of a wooden structure built 5000 years ago, 5 kilometres from Stonehenge, which appears to have been an even older monument for marking the summer solstice

Archaeologists have discovered traces of a wooden structure built 5000 years ago, 5 kilometres from Stonehenge, which appears to have been an even older monument for marking the summer solstice