When focusing outside of our galaxy, any telescope will do this to items in the "foreground ". What constitutes foreground for the Webb telescope, or the Hubble for that matter, is stars in our own Galaxy that " get in the way" of the far focus view field.
When focusing outside of our galaxy, any telescope will do this to items in the "foreground ". What constitutes foreground for the Webb telescope, or the Hubble for that matter, is stars in our own Galaxy that " get in the way" of the far focus view field.