At night - without the sun - the "heavens" were and are black.

www.icr.org is NOT a scientific website. The Institute for Creation Research doesn't do anything that actual scientists would recognize as research and is not a scientific organization.

ICR is a group that promote pseudoscience. There arguments are long refuted, however, they can seem very convincing to people who do not know anything about the subject and refuse to actually try to understand the subject.