Two Voyager missions, in 1981 and 1982, detected ring particles ranging in size from nearly invisible dust to chunks of water ice the size of a house.
What fascinated the mission scientists most was that the chunks of water ice in the jets were not being lifted off the surface by the force of water vapor heated by the sun, but rather by jets of carbon dioxide.
At Tempel 1, Deep Impact found water vapor emissions similar to those coming from the middle of Hartley 2, but no carbon dioxide jets and no visible chunks of water ice.
The active half of the comet also appeared to be flinging baseball- to basketball-sized chunks of water ice into the coma, further enhancing the gas production from the comet as they sublimated away.
"Residential water consumption accounts for a huge chunk of total water consumption," said Alex Wilson, editor of Environmental Building News, a newsletter published in Brattleboro, Vt ."And measures that homeowners take to conserve water are extremely important right now".
The result is a finely transparent and classically shaped chunk of frozen water that might have brought a flush of pride to the cheeks of the 19th-century ice king Frederic Tudor, the pioneer who first harvested and shipped ice commercially from frozen water bodies (Walden Pond was one).
To raise cash, he is selling off Vivendi's publishing business, and he also may sell off another chunk of its water business.
Under the terms of the bailout agreement approved by the Greek parliament today, Greece has pledged to support an existing programme of privatisation, which includes large chunks of the water utilities of Greece's two largest cities – Athens and Thessaloniki.
A quarter cup to every 1 cup of watermelon chunks of sparkling water adds sparkle to this drink.
