Revelation, however, views them together, allowing a quick look behind the scenes at the cosmic impact of what happens on earth.

They may also find iridium, a rare metal brought here by the cosmic impact that wiped out dinosaurs.

There was also, they found, geological evidence implying a cosmic impact.

The damage to people and property was a small reminder of the potentially catastrophic costs of a cosmic impact.

Although no resulting crater has been found to prove this, the theory's advocates point to recently discovered 'nanodiamonds' as evidence of such a 'cosmic impact'.