Today meteorologists use 10 cloud genera and 14 different species that describe the shape and structure of each type of cloud.

FORBES: Head in the Clouds

At the moment the shape of the radio-emitting, cigar-shaped gas cloud at the core of the galaxy is a mystery.

BBC: By BBC News Online Science Editor Dr David Whitehouse

If Amazon does participate, says Forrester research analyst James Staten, the company will likely use its heft in the cloud computing industry to assert control over the standard and shape it to Amazon's current services.

FORBES: Bridging The Clouds