This holiday season, NASA is celebrating with the unveiling of a stunning new image that resembles a cosmic wreath. Captured using data from multiple space telescopes, the image showcases a star cluster known as NGC 602, situated within the Small Magellanic Cloud, a neighboring galaxy to our Milky Way.
The remarkable image merges data from the Chandra X-ray Observatory, which operates in the X-ray segment of the electromagnetic spectrum, and the James Webb Space Telescope, which observes in infrared. The brilliant red points represent young, massive stars that emit substantial radiation as detected by Chandra, while Webb’s infrared imaging provides a colorful backdrop of orange, yellow, green, and blue, illustrating the warm dust that forms the wreath-like pattern.
X-ray: NASA/CXC; Infrared: ESA/Webb, NASA & CSA, P. Zeilder, E. Sabbi, A. Nota, M. Zamani; Image Processing: NASA/CXC/SAO/L. Frattare and K. Arcand
Researchers are keen to investigate the Small Magellanic Cloud due to its lower abundance of heavy elements compared to stars in galaxies like the Milky Way. Heavy elements are produced in the cores of stars and dispersed during supernova explosions, so a greater presence of heavy elements typically signifies an older galaxy. The Small Magellanic Cloud resembles galaxies from the early universe, making its study crucial for understanding galaxy evolution.
X-ray: NASA/CXC/SAO; Optical: Clow, M.; Image Processing: NASA/CXC/SAO/L. Frattare and K. Arcand
Navigating the holiday spirit, NASA also introduced a joyful image of another star cluster, NGC 2264, famously known as the “Christmas Tree Cluster.” This image features vibrant sparkles of red, purple, blue, and white from Chandra’s X-ray data, while the greens and violets that shape the tree are sourced from optical data.
Situated just 2,500 light-years away within our galaxy, NGC 2264 is remarkably close in astronomical terms. This cluster contains an assortment of stars, with sizes ranging from one-tenth to over seven times the mass of our sun.
Beyond their festive appearance, the young and dynamic stars highlighted by Chandra are active emitters of energy, including X-rays. The variability in their brightness, influenced by magnetic fields and energetic flares, creates a twinkling effect akin to lights on a Christmas tree.
