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During a post-keynote luncheon with a few reporters, Yahoo CTO Ari Balogh and Yahoo Open Strategy (Y!OS) chief architect Neal Sample shared more details about the inside-out rewiring of the Web giant.

Balogh said that co-founder and CEO Jerry Yang is taking a personal interest in the project, which began in earnest as part of Yang's 100-day plan, which he created when he took the helm of the company from Terry Semel in September of last year. He noted that Y!OS was started before Microsoft came knocking on Yahoo's door. Balogh joined Yahoo from VeriSign just prior to Microsoft's February 1, 2008 takeover bid.

Y!OS is expected to have a material impact on Yahoo's page growth and time spent on the site, as well as revenue. It was baked into the calculations projecting a doubling of its operating cash flow from $1.9 billion to $3.7 in the

Version 1.0 of what is being called Y!Open will be released at some unspecified time later this year, and will include a development environment for several properties, a social "activator" and graph engine, an events engine, and a single profile for users, Balogh said.

The activator engine handles the combining of different relationship groupings, such as the Yahoo Mail e-mail address book, Yahoo Messenger contacts, Flickr friends, Yahoo 360, and Yahoo Mash, Sample said. Yahoo will be careful to protect user privacy and won't apply the information without user consent, he added.

"We have to replumb Yahoo to use a single profile and create feeds, a way to consume feeds and Web services APIs and to layer those mechanisms into the platform," Balogh said.

Yahoo is part of the OpenSocial Foundation, along with Google and MySpace, and will be using the specification as part of the Yahoo application framework (see the slide below). OpenSocial allows applications to work across the major social networks, except Facebook at this point, without modification.

Users will have single control panel for assigning where they want the applications to live. Developers will be incented to carry the unified Yahoo user experience with them across other services, although it's not required by the OpenSocial specification, Sample said.

Initially, Yahoo will be vetting applications that touch Yahoo Mail. "We don't want to risk exposing user data," Sample said. "Once they prove themselves we can open up more. We are starting with a toe in the water."

SearchMonkey is the first fruit of Yahoo's new open initiative. It allows developers to alter the presentation of search results, is currently in limited beta and will be in general release within the next several weeks, Balogh said.

Compared to creating a social graph and scaling the back end for 500 million users and 10 billion latent relationships among the Yahoo clan, SearchMonkey is relatively simple feat of openness.

Yahoo has an ambitious and complex task ahead to deliver version 1.0 within this year amidst other distractions, such as Microsoft's courtship of the company. Balogh talks a good game: "The goal is nothing short of creating the best developer environment for creating Internet applications across the Web." Now Yahoo has to show that it can execute.

[Source:news.com]

In celebration of the 18th anniversary of Hubble’s launch, NASA released a series of 59 new images of colliding galaxies. Astronomy textbooks typically present galaxies as staid, solitary, and majestic island worlds of glittering stars.

But galaxies have a wild side. They have flirtatious close encounters that sometimes end in grand mergers and overflowing “maternity wards” of new star birth as the colliding galaxies morph into wondrous new shapes.

As this astonishing Hubble atlas of interacting galaxies illustrates, galaxy collisions produce a remarkable variety of intricate structures.

Interactions are slow stately affairs, despite the typically high relative speeds of the interacting galaxies, taking hundreds of millions of years to complete. The interactions usually follow the same progression, and are driven by the tidal pull of gravity. Actual collisions between stars are rare as so much of a galaxy is simply empty space, but as the gravitational webs linking the stars in each galaxy begin to mesh, strong tidal effects disrupt and distort the old patterns leading to new structures, and finally to a new stable configuration.

Most of the 59 new Hubble images are part of a large investigation of luminous and ultraluminous infrared galaxies called the GOALS project (Great Observatories All-sky LIRG Survey). This survey combines observations from Hubble, the NASA Spitzer Space Observatory, the NASA Chandra X-Ray Observatory and NASA Galaxy Explorer. The Hubble observations are led by Professor Aaron S. Evans from the University of Virginia and the National Radio Astronomy Observatory (USA). The images released today can be seen here.

The Hubble Space Telescope (HST) will be repaired and overhauled in August. Seven astronauts who will fly the Atlantis space shuttle to rendezvous with Hubble will carry out the revamping mission. Their mission has already been labeled STS-125. The goal of the mission is to repair the orbiting telescope until a replacement will be manufactured in 2013.

The U.S. astronauts selected for the next servicing mission to the Hubble Space Telescope had begun already their training in February last year.

NASA had intended to mothball the Hubble before the new telescope was in place, a decision that was met with protests among astronomers who have been able to look into space 2.2 billion light years and more because they don't have to peer through Earth's atmosphere.

Missions to the space station are easier because ISS crew is on hand to help inspect the shuttle. The ISS also offers up to three months refuge for visiting crew in case of an emergency. The Hubble, which orbits 580 kilometers above Earth, offers neither. That means the shuttle would have to survive on its own for up to 25 days, with the second shuttle on stand-by at a separate launch pad for a rescue mission.

A year ago, the Hubble telescope's most far-seeing camera shut down due to a possible power failure and other problems, prompting NASA engineers to put the entire telescope on temporary standby. The Advanced Camera for Surveys (ACS) was installed in 2002 in a special shuttle mission to replace the old space camera - in orbit since 1990 - and was hailed as the gateway to some of humankind's most spectacular views of the universe.

The August STS-125 mission aims to install a cosmic origins spectrograph and to replace a wide field camera in operation since 1993 with a Wide Field Camera 3. This latest camera will be the first on the Hubble that can cover everything from the ultraviolet to the infrared spectrum.

Theoretically, the James Webb observatory will replace Hubble in 2013 the earliest. The Hubble Space Telescope (HST) was first conceived in 1946 by astronomer Lyman Spitzer, constructed since 1979 and launched in 1990.

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SAN FRANCISCO (Reuters) - Google Inc (GOOG.O) said on Wednesday it has introduced brand-image ads for mobile phones, in a bid to extend beyond the computer-based Web market

In a statement on the Silicon Valley company's Web site, the company said it had designed mobile images to look like standard graphical display ads for desktop computer Web pages, but made them smaller to fit on mobile phone screens.

The company said all mobile image ads are targeted according to the keywords users type into phones to search for information. The ads are priced on a cost-per-click basis, and must link to Web pages optimized to work on mobile phones.

Only one image ad is displayed on each mobile page, a move to that appears designed to limit clutter on small screens.

"For advertisers, mobile image ads serve as a branding tool and have shown to have good click-through rates," Alexandra Kenin, a product marketing manager, for Google Mobile Ads said in a blog post on the company's site.

Mobile image ads are available in 13 national markets: Australia, China, France, Germany, India, Ireland, Italy, Japan, Netherlands, Russia, Spain, the UK, and the United States, Google said.