Have you heard of the Zwicky Transient Facility (ZTF)? It is an astronomical survey designed to detect and identify transient objects in the night sky, such as exploding stars or ultra-compact binaries. The ZTF survey is the largest of its kind and is now providing new insight into the formation of ultra-compact binaries.

Ultra-compact binaries are in fact two stars that have become so close to each other that they are almost touching. Scientists believe that there are hundreds of thousands of these binaries in our galaxy, but until now they have been difficult to find and study. Now, with the help of the ZTF survey, astronomers are able to detect these binaries and shed light on their formation. This is incredibly exciting as it could lead to a better understanding of the evolution of stars in our galaxy!

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source: Phys.org