'We are on our way to groundbreaking science': Stars turn neon-green in first test image from NASA's Roman telescope — Space photo of the week ...Middle East

Roman's first test image shows hundreds of stars as green rings of light. After a few more months of tuning, it will capture images as crisp as Hubble's but 100 times bigger. (Image credit: NASA's Goddard Space Flight Center, Tyler Desjardins (STScI))Quick facts

Where it is: An unknown section of space

Imagine opening your eyes for the first time and seeing that the sky is full of green doughnuts.

The telescope, which launched to space on Aug. 30, is partway through a months-long commissioning process, with NASA scientists testing and tuning each of the spacecraft's instruments as it undertakes a million-mile (1.6 million kilometers) journey to Lagrange point L2 — an orbital "parking spot" where the competing gravity of Earth and the sun will hold Roman in place, alongside the James Webb Space Telescope (JWST) and other scientific spacecraft.

By the time Roman is ready to beam home its first full science images in early 2027, it will be capturing cosmic snapshots as crisp and detailed as those from the Hubble Space Telescope ‪—‬ but each of Roman's images will cover an area 100 times larger than Hubble's.

(Image credit: NASA)

The wavy rows of squares in the new image are key to Roman's photo-taking power. Each square represents one of Roman's 18 detectors, which translate photons from distant light sources into electrical signals that encode enormous images of the universe. Scientists are preparing for the telescope to beam roughly 1.4 terabytes of data — about five to 10 times the storage capacity of an average smartphone — back to Earth every day.

The telescope will also contribute to the search for alien life. By selectively blocking out starlight with Roman's built-in coronagraph — another instrument that NASA successfully tested this week — the telescope will be able to zoom in on exoplanets with unprecedented precision, free from stellar glare. These observations could increase the number of known alien worlds from the current count of over 6,000 to more than 100,000 by the end of Roman's planned 10-year mission.

Are you a UFO fanatic? Find out with our extraterrestrials quiz!

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