Science Discoveries
It may be hard to believe today but back in the 1990s, we had no idea about what sort of extrasolar planets may exist in our galaxy and the rest of the universe. We didn’t even have any means to discover them. Even though astronomers were sure that many kinds of planets may revolve around other stars in our galaxy, we had no idea how crazy these planets would be and if they would make us question everything we know about space and the universe.
Credit Factnomenal