(Last year, NASA created a new composite image of the cluster that even showed the stars twinkling like Christmas lights.) NASA has also released a second festive image for the holiday season.

Space is wishing Earth a Merry Christmas from 2,500 light-years away! A NASA telescope combined with data from an X-ray gave a special present for the holidays. Although the star cluster is older ...

which they are calling the “Christmas tree” cluster. Located about 4.3 billion light years from Earth, it earned its nickname because it is so colourful and due to the flickering lights found ...