Astronomers Capture Stunning Images of Cosmic “Wreath” and “Christmas Tree” Star Clusters.

Since ancient times, wreaths have symbolized the endless cycle of life, death, and rebirth. Now, astronomers have captured images of star clusters in space that resemble holiday wreaths and Christmas trees, offering a festive view of the cosmos and a glimpse into the stellar lifecycle.

The star cluster NGC 602, located on the edge of the Small Magellanic Cloud—one of the Milky Way’s closest neighboring galaxies—has been captured in a breathtaking new image. Situated about 200,000 light-years from Earth, NGC 602 is home to young stars that are still in their formative stages. These stars contain fewer heavier elements than our Sun, making them reminiscent of the stars that populated the early universe.

The image combines data from NASA’s Chandra X-ray Observatory and the James Webb Space Telescope, offering a detailed view of NGC 602. The outer ring of the cluster, shown in shades of orange, yellow, green, and blue, is composed of dense clouds of dust. This ring, with its dark, wreath-like shape, glows thanks to the high-energy X-rays emitted by young, massive stars scattered throughout the cluster. These X-rays are generated by stellar winds, powering a luminous halo around the stars.

NASA’s Chandra X-ray Observatory captures X-ray data in red, providing a contrast that highlights the cluster’s dynamic activity. The overlapping glow of thousands of smaller, low-mass stars creates an extended cloud in the Chandra image, further enhancing the wreath-like appearance.

A second star cluster, NGC 2264, also known as the “Christmas Tree Cluster,” has been featured in a new composite image. Located just 2,500 light-years away, much closer than NGC 602, NGC 2264 is home to stars that are between one and five million years old—comparable to the youthful stars of NGC 602. Chandra data, presented in red, purple, blue, and white, reveals a stunning cosmic Christmas tree shape, with wispy green clouds forming a cone-like structure. Tiny, colorful lights dot the formation, representing stars within the cluster.

In addition to X-ray data, optical images captured by astrophotographer Michael Clow in Arizona in November 2024 contribute to the vibrant depiction of NGC 2264. These images add a layer of warmth and festive cheer to the cosmic “tree,” with multicolored stars twinkling against the dark backdrop of space.

Both of these awe-inspiring images celebrate the ongoing birth and evolution of stars, with their holiday-inspired shapes and colors providing a joyful reminder of the universe’s wonders. The Chandra program is managed by NASA’s Marshall Space Flight Center, with science operations controlled by the Smithsonian Astrophysical Observatory.

This festive cosmic imagery serves as a reminder that, even in the vastness of space, the beauty and majesty of the universe can evoke a sense of wonder during the holiday season.