IDNLearn.com provides a seamless experience for finding and sharing answers. Get comprehensive answers to all your questions from our network of experienced experts.
Answer:
medieval
Explanation:
In medieval times, Europeans learned the view of the ancient Greeks that “celestial” matter in the heavens differed in nature from matter making up the Earth. Today, scientists have concluded that the bulk of cosmic matter is indeed unlike anything known on Earth, but have been unable to determine just what that cosmic matter is made of.