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Brief History of Hubble Space Telescope - undergoing final maintenance-and-repair mission before retiring in 2014
The $1.5 billion Hubble rocketed to space aboard the space shuttle Discovery on April 24, 1990. It's named after Edwin Hubble, a pioneering American astronomer who furthered our understanding of other galaxies and demonstrated that the universe is continually expanding.
The Hubble's primary mirror, nearly eight feet across. A flaw in the mirror was discovered after the Hubble was in space; thanks to miscalibrated equipment, its glass had been ground slightly too finely at the edges. Though the imperfection measured just one-fiftieth of the thickness of a piece of paper, it distorted the Hubble's images. Astronauts fixed the problem in 1993.
About the size of a large school bus, the Hubble orbits at a speed of five miles per second, 353 miles above Earth. At that velocity it can cross the United States in about 10 minutes and circle the globe in an hour and a half.
I still find each day too short for all the thoughts I want to think, all the walks I want to take..John Burroughs
I still find each day too short for all the thoughts I want to think, all the walks I want to take, all the books I want to read, and all the friends I want to see.
"Mutual fear brings Peace,/Till selfish loves increase;/Then Cruelty knits a snare,/& spreads his baits with care"
The Human Abstract
Pity would be no more
If we did not make somebody poor,
And Mercy no more could be
If all were as happy as we.
And mutual fear brings Peace,
Till the selfish loves increase;
Then Cruelty knits a snare,
And spreads his baits with care.
He sits down with holy fears,
And waters the ground with tears;
Then Humility takes its root
Underneath his foot.
Soon spreads the dismal shade
Of Mystery over his head,
And the caterpillar and fly
Feed on the Mystery.
And it bears the fruit of Deceit,
Ruddy and sweet to eat,
And the raven his nest has made
In its thickest shade.
The gods of the earth and sea
Sought through nature to find this tree,
But their search was all in vain:
There grows one in the human Brain.
Antarctic ice shelves (some intact for 10k yrs) loss may shift axis of Earth. Wilkins Ice Shelf diminished by 30%
The Wilkins Ice Shelf has been cracking in new places recently and images released by the European Space Agency show that it will probably very soon break off entirely. A 62 square mile piece broke off in May 2008.
Angelika Humbert of Muenster University stated, “During the last year the ice shelf has lost about 1800 square kilometers (694 square miles), or about 14 percent of its size.” The Wilkins Ice Shelf is currently about the size of Jamaica, though it has already been diminished by about 30 percent.
Arctic tragically losing ice, losing peace: Canada, Denmark, Norway, Russia, US all claim a piece of Arctic circle
Canada, Denmark, Norway, Russia and the United States are all laying claim to a piece of the Arctic circle, hoping to be able to cash in on the vast natural energy resources believed to lie beneath. Each season the ice gets thinner, and the prospects of riches grows. Russia goes one step further - plans for dedicated Arctic military presence intensifies dispute with Canada.
Original Source: Globe and Mail
Photos of submarine being watched by uneasy North Pole bears - Arctic tragically losing ice, losing peace...
Photos courtesy of TreeHugger and Keetsa
Earth Hour: time zone by time zone, ~4000 cities & towns in 88 countries dim nonessential lights from 8:30-9:30pm
Window to the World, calling for Wind of Wisdom,
as common sense is a gift to each soul,
as common environment is the inseparable planet,
as common desire is to live in a better world.
Earth Hour 2009 has garnered support from global corporations, nonprofit groups, schools, scientists and celebrities — including Oscar-winning actress Cate Blanchett and retired Cape Town Archbishop Desmond Tutu. From an Antarctic research base to the Great Pyramids of Egypt and beyond, the world switched off the lights on Saturday for Earth Hour, dimming skyscrapers, city streets and some of the world's most recognizable monuments for 60 minutes to highlight the threat of climate change. Time zone by time zone, nearly 4,000 cities and towns in 88 countries joined the event sponsored by the World Wildlife Fund to dim nonessential lights from 8:30 p.m. to 9:30 p.m.