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Hanny’s Adventure in Galaxy Zoo

A charming story has emerged from the austere world of astronomy, proving that amateurs can have their day, even in fields normally dominated by highly specialised experts. RENATE OGILVIE reports that a young teacher and citizen scientist from the Netherlands may well have made one of the most intriguing discoveries in the recent history of that crowded science.

Part of the Sloan Digital Sky Survey, the most comprehensive photographic imagining of the Northern sky which was concluded earlier this year, was the immense task of checking millions of photographic images which had been taken to catalogue distant galaxies. At some stage, the American project director, Alex Szalay, decided to farm out some of the work to hobby star gazers to help with the more routine tasks.

He was expecting a few hundred to respond to his internet request, but seven thousand volunteers from all over the world replied, ready for basic training, and then to classify objects on the photographs using a basic identification system. They named the enterprise Galaxy Zoo, and Szalay was thrilled: ‘It blew my mind. You read in the papers that people are not interested in science.'

But it got better. Towards the end of last year, Hanny a Dutch teacher and one of the ‘Zooties‘, contacted the organisers and asked what the strange formation was that she had found on one of the photos. Initially her request was  treated along with dozens of other routine inquiries.

But when the object was finally scrutinized it turned out to be a sensation - it was large, green and unlike anything ever seen before, radiating a huge amount of light, its source mysterious. Hanny named it a voorwerp, Dutch for object or thing.

But the baffled research community called it the ‘mystery cloud'. Powerful instruments like the Swift satellite telescope which picks up ultraviolet and x-ray emissions were pointed at the strange formation but they saw nothing. All it  proved was that Hanny's Thing was not a stellar nursery like Minkowski's object, where starbursts are  fuelled by radio jets emitted by black holes in a nearby galaxy, accompanied by a typical ultraviolet signature.

Theories abound. Hanny's Thing might be lit by a dead quasar tumbling through a small galaxy. It might be the result of a tiny galaxy being thrashed by a larger one during a collision. Or it could have been affected by a quasar formed  when stars fell into a neighbouring black hole. Or it is simply something entirely new.

Hanny's Thing is now being lined up for scrutiny by the Hubble Space Telescope early next year on the Dutch hobby astronomer‘s birthday. Scientists are eagerly waiting for results and think that this is 'the coolest bit of science' they have done in years.

The green mystery cloud, Hanny's sensational Show and Tell, once again shows that the limitations of our mind and knowledge are not necessarily the limitations of reality. And it's pleasing to think of Hanny and the voorwerp on her home computer, a young woman about to make her name in scientific history.

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It looks like Johnny Howard's been teaching Daubya about "Mateship" and the lesson has sunk in as the former Aussie PM has been booked into the Blair House, a high security guesthouse across the road from the White House from the 12th in order to be on hand to recieve the Presidential Medal of Freedom, to be presented to Howard on January 19.

The Blair House is tradidionally used by the President-Elect in the lead up to the inauguration and the Obamas has asked to be moved into the Blair House earlier so their two young children could start at their new school on the first day of the new term but have since been booked into the Presidential Suite at the Hay-Adams Hotel.

Comments from various blogs have not been complimentary:

"What would possess Howard to not at least publicly offer up his stay at Blair House to Obama. Then Obama could graciously say no thank you. By keeping his reservation and being silent Howard showed himself to be not that bright of a person and one can understand how he would pal around with george in an illegal war or two.
It would not be above george to threaten Howard with not giving him the medal if he didn't stay at Blair House and it would not be below Howard to respond to the threat in the way that he did, sort of like a cowering dog. The Aussies must really be proud of their guy. Any body got a shoe."
- Conrad C. Elledge

"George couldn't make this idiot stay at the hay-adams?" - Joe"no doubt Howard is receiving the honor for driving his country's currency into the abyss." - Urbuhlship

"Ah...the administration that live and died by the belief that loyalty trumped competence, clarity and every other imaginable factor-hands out a last few favors to the brown nose gang of three.
With the former prime minister of Australia getting the nod to stay in the Blair House-instead of making way for the incoming President.
How fitting. G'day-as they say-down under."
- Don Duval

"Handing out medals by the dozens to his supporters is about the only thing this president seems capable of actually doing. What is the cost to the U.S. taxpayers to bring these guys to Washington so ding-dong in chief can hang a goofy medal around their necks, or pin them on their jackets, or whatever one does with them? At least the national medal budget will likely be significantly reduced after January 20th." - Bill