Tag Archives: Cosmos

Unexpected Black Holes

This just in from the Jet Propulsion Laboratory:

NASA’s Spitzer Space Telescope has detected plump black holes where least expected — skinny galaxies….Scientists have long held that all galaxies except the slender, bulgeless spirals harbor supermassive black holes at their cores. Furthermore, bulges were thought to be required for black holes to grow.The new Spitzer observations throw this theory into question. The infrared telescope surveyed 32 flat and bulgeless galaxies and detected monstrous black holes lurking in the bellies of seven of them. The results imply that galaxy bulges are not necessary for black hole growth; instead … dark matter could play a role.”This finding challenges the current paradigm. The fact that galaxies without bulges have black holes means that the bulges cannot be the determining factor, ” said Shobita Satyapal of the George Mason University, Fairfax, Va. “It’s possible that the dark matter that fills the halos around galaxies plays an important role in the early development of supermassive black holes.”…

Read the whole story here. http://www.spitzer.caltech.edu/Media/releases/ssc2008-01/release.shtml

Interplanetary collision called off

An asteroid heading for Mars is going to miss the angry red planet. Too bad, that would have been cool.But there is a very cool graphic that results from the science surrounding this non event.This is a moving GIF showing the evolution over time of the uncertainty region for the collision. You can see where mars was initially in the uncertainty region, and over time, as the uncertainty region became smaller and smaller, the planet moved first to the edge then entirely out of the region.Much like Barack Obama and the New Hampshire Primary.Oh well, maybe next time. Mars and Barack.The full story and more graphics are here.

Carolyn Porco: Fly me to the moons of Saturn

Planetary scientist Carolyn Porco says, “I’m going to take you on a journey.” And does she ever. Showing breathtaking images from the Cassini voyage to Saturn, she focuses on Saturn’s intriguing largest moon, Titan,with deserts, mudflats and puzzling lakes, and on frozen Enceladus, which seems to shoot jets of ice. Continue reading Carolyn Porco: Fly me to the moons of Saturn

Murray Gell-Mann: Beauty and truth in physics

Wielding laypeople’s terms and a sense of humor, Nobel Prize winner Murray Gell-Mann drops some knowledge about particle physics, asking questions like, Are elegant equations more likely to be right than inelegant ones? Can the fundamental law, the so-called “theory of everything,” really explain everything? His answers will surprise you. Continue reading Murray Gell-Mann: Beauty and truth in physics

Pope Evicts Astronomers

Pope Evicts Astronomers Science is to make way for diplomacy at the Pope’s summer residence, with the dismantling of the astronomical observatory that has been part of Castel Gandolfo, south of Rome, for more than 75 years. The Pope needs more room to receive diplomats so the telescopes have to go.

The eviction of the astronomers and their instruments, reported by the Italian daily Corriere della Sera, and their removal to a disused convent a mile away, marks the end of a period of intimacy between popes and priest-astronomers that has lasted well over a century.

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Gloves, Mittens, Socks, Quarks and Alternative Universes. It all makes so much sense…

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Jennifer Gooch’s mission was to create a simple Web site where people could go to find their lost gloves. Even if no happy reunions ever took place, she was just content to spread a little goodwill.But just a month since http://www.onecoldhand.com went live, the Carnegie Mellon University art student is busier than ever. She’s reunited four gloves with their owners, is working on similar sites for cities around the globe, and is planning a book to showcase her found gloves.

Continue reading Gloves, Mittens, Socks, Quarks and Alternative Universes. It all makes so much sense…