Hubble Telescope records 5,000 galaxies in ultraviolet light; check out

The Hubble Telescope was responsible for yet another detailed image of space thanks to observations made in ultraviolet light. In the recent release, around 5,000 ancient galaxies of different shapes and sizes were recorded glowing — some resemble a bunch of confetti.

The image, released June 14 during the 240th meeting of the American Astronomical Society (AAS), shows galaxies located billions of light-years away in a small region between the constellations Ursa Major and Boötes, known as the Extended Groth Strip. (Extended Groth Track, in free translation).

This region is about one percent the size of the full moon in the sky as seen from Earth.

Take in this ultra-spectacular ultraviolet view!

This Hubble image unveils thousands of shining galaxies in ultraviolet light, in addition to visible and near-infrared.

Learn more about the largest ultraviolet Hubble survey of distant galaxies to date:

— Hubble (@NASAHubble) June 16, 2022

Why does it matter?

Observing galaxies gives us clues to how they formed and evolved.

According to the researchers of the study, the images made by Hubble can also help science to understand the process of reionization of the Universe, one of the mysteries existing since the Big Bang, which put an end to the cosmic “dark ages”.

This process is when extreme, or high-energy, ultraviolet light from early stars and galaxies ionizes a haze of hydrogen gas, splitting atoms into charged electrons and protons, explains the California Institute of Technology (Caltech).

After this mist disappeared, light from stars and galaxies was able to travel through the Universe unobstructed.

How the image was made

The image is part of a recent survey called Caltech’s Uvcandels, in which scientists investigate key processes of galaxy evolution during vigorous star formation. The new program used Hubble for 10 days and photographed about 140,000 galaxies.

The project is a continuation of Candels, research that examined the infrared and redder visible light of these celestial bodies. In the new step, ultraviolet and blue optical lights were added to the parts of the sky examined in the previous initiative.

By combining layers from the two studies, the scientists created the newly released image with much more detail to analyze.

“Ultraviolet light comes from the most massive stars, which are also the youngest and hottest stars, and provides unique insight into ongoing star formation in galaxies near and far,” said Xin Wang, a postdoctoral researcher at the Caltech astronomy center.

*With information from Space websites

About Raju Singh

Raju has an exquisite taste. For him, video games are more than entertainment and he likes to discuss forms and art.

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