a token of my steam

From the web site Talking Points Memo:

Using NASA's famed Hubble Space Telescope, scientists have determined that an alien world located just 40 light years from Earth is unlike anything previously found before: A world composed primarily of steam. The planet, known officially under the unflattering moniker GJ 1214b, "is like no planet we know of," said Zachory Berta a researcher at the Harvard-Smithsonian Center for Astrophysics, in a release announcing the discovery of the planet's strange composition...

GJ 1214b is reportedly larger than our world but smaller than Uranus. There's a joke in there somewhere, but I'm too lazy today to fish it out.

The artwork, "Steam Rocket," is by Chris Spollen. Click on the image for a larger view.