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Dazzling new Hubble photos show stars sparkling in a globular cluster

Updated Jan 5th, 2023 11:53AM EST
NASA looking to restore Hubble orbit
Image: Dimazel / Adobe

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The Hubble space telescope might have a few decades under its belt, but it continues to deliver images that keep it working alongside the James Webb Space Telescope – its more powerful successor. The latest showcase of Hubble’s capabilities comes in the form of two photos of the NGC 1850 star cluster, which look startlingly different.

The images might look quite different, but NASA says they were taken in the same region of space. The difference in colors and what we see, though, is caused by utilizing two different filters to focus and study particular wavelengths. NASA says the blue image, which you can see below, showcases some near-infrared light along with visible light.

NGC 1850 star clusterImage source: NASA, ESA and N. Bastian (Donostia International Physics Center); Processing: Gladys Kober (NASA/Catholic University of America)

Visible light is the wavelength of light that human eyes can detect – think of the light from the Sun. Infrared light, on the other hand, requires instruments to see it properly. The image in red not only offers a different pointing of the NGC 1850 star cluster, but it also focuses on near-ultraviolet light, to show us the beginnings of the infrared spectrum. 

This difference in how we look at different light wavelengths has allowed us to detect light from the hottest and youngest stars, whereas the blue image capturing near-infrared and visible light shows us light from older stars. The NGC 1850 star cluster is a 100 million-year-old globular cluster near the Large Magellanic Cloud.

The Large Magellanic Cloud is a satellite galaxy that many believe will collide with the Milky Way sometime in the future. Located just over 63,000 light years, the LMC has been the target of many observations, including some by Hubble earlier this year. For this observation, though, Hubble focused solely on the NGC 1850 star cluster and how it differentiates across wavelengths.

It’s an intriguing way to look at the star cluster, and one that continues to show just how different the universe can be when you change your perspective.

Josh Hawkins has been writing for over a decade, covering science, gaming, and tech culture. He also is a top-rated product reviewer with experience in extensively researched product comparisons, headphones, and gaming devices.

Whenever he isn’t busy writing about tech or gadgets, he can usually be found enjoying a new world in a video game, or tinkering with something on his computer.

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