I had this idea of an astronaut in space. I wanted to include the theme of dark matter for that I used the combination of the template image and the image that I found inside the LIL gallery. The combination gave darkness near to the galaxy making a presence of dark matter. I was able to find the images, similar to what I was looking for from the LIL Gallery itself the only images that I needed to take from the outside source was the v838 monocerotis and the astronaut.
Used a total of 6 images including the template and sources to the images are provided below. For the images taken from LIL the contributors are provided as 2% beneficiaries.
Image from LIL
Images from Pixabay