Universe - Galaxies Stars and Space Directory

About the same time space shuttle Atlantis’ landing was waved off today due to continued rainy weather in Florida, the White House announced that former shuttle commander Charles Bolden Jr. will be nominated as NASA’s next administrator. President Obama also chose Lori Garver to be Bolden’s deputy administrator. Obama said, “These talented individuals will help put NASA on course to boldly push the boundaries of science, aeronautics and space exploration in the 21st century and ensure the long-term vibrancy of America’s space program.”

A now-you-see-it, now-you don’t accretion disk (white and blue in the artist’s rendering at left) has tipped astronomers to the birth of a superfast, “millisecond” pulsar that was happening right before their eyes — er, their radio telescopes.

The new finding confirms the long-suspected evolutionary connection between a neutron star and a millisecond pulsar: they are two life stages of the same object.

Anne Archibald, of McGill University in Montreal, Canada and her colleagues announced their discovery in the May 21 online issue of the journal Science.

Not surprisingly, former astronaut Jeff Hoffman has been watching the current Hubble servicing mission with interest. After all, he was a member of the first repair crew that visited the telescope in December 1993, part of the team which essentially rescued the Hubble program from what could have been a disaster. But, now Hoffman is impressed with this current crew and what they’ve accomplished, saying they are part of a “brotherhood of Hubble warriors.”

And Hoffman is feeling a little nostalgic, too

In a convergence of science fiction and current technology, the new Star Trek movie has been “beamed up” to the International Space Station so the three occupants can watch it while orbiting 220 miles above Earth. Paramount sent a copy of the movie to NASA’s Mission Control, which then uplinked the movie to the International Space Station. The crew plans to watch the film on a laptop computer in the Unity module.

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Radio Telescopes looking for signals from distant civilizations might be an effort in futility, according to scientists who met at Harvard University recently. The dominant view of astronomers at a symposium on the future of human life in the Universe seems to be that if other life is out there, it likely is dominated by microbes or other nonspeaking creatures.

Don't forget to:  edit - comment or expand Other life in the universe not likely to be intelligent.

In 1971 physicist Stephen Hawking suggested that there might be “mini” black holes all around us that were created by the Big Bang. The violence of the rapid expansion following the beginning of the Universe could have squeezed concentrations of matter to form miniscule black holes, so small they can’t even be seen in a regular microscope. But what if these mini black holes were everywhere, and in fact, what if they make up the fabric of the universe? A new paper from two researchers in California proposes this idea.

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The checkout and calibration phase for the Kepler spacecraft has been completed, and now the telescope will begin one of the longest and most important stare-downs ever attempted. Kepler will spend the next three-and-a-half years staring at more than 100,000 stars searching for telltale signs of planets. Kepler should have the ability to find planets as small as Earth that orbit sun-like stars at distances where temperatures are right for possible lakes and oceans. “Now the fun begins,” said William Borucki, Kepler science principal investigator for the mission. “We are all really excited to start sorting through the data and discovering the planets.”

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For 15 years, the Hubble Space Telescope’s Wide Field and Planetary Camera 2 (WFPC2) has been churning out amazing and breathtaking images of our universe. But during the upcoming HST servicing mission, a new and improved version of Hubble’s main camera will replace the optical workhorse that has provided so many memorable and awe-inspiring images. WFPC2 was brought up on orbit to Hubble in December of 1993 to replace the original camera, outfitted with special optics to overcome the spherical aberration in Hubble’s main mirror. To honor the WFPC2, here are a few of the most memorable discoveries the camera has made Galleries of the universe.

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As the race ramps up to find Earth-like planets around other stars, lasers are a viable option.

That according to researchers at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, who have created an “astro-comb,” a sort of calibration tool based on wavelengths of light, to pick up minute variations in a star’s motion caused by orbiting planets.

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Neutron stars are dying stars that are seemingly ‘off the charts’ in almost every category. They are small and extremely dense; about 20 km in diameter with masses of about 1.4 times that of our Sun, meaning that on Earth, one teaspoon of a neutron star would weigh about 100 million tons. They also rotate exceeding fast, about 700 times per second. And according to a new study, neutron stars have another almost super-hero like quality: the outer surface of these collapsed stars is likely to be 10 billion times stronger than steel or any other of Earth’s strongest alloys.

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The name “dark energy” is just a placeholder for the force — whatever it is — that is causing the Universe to expand. But astronomers are perhaps getting closer to understanding this force. New observations of several Cepheid variable stars by the Hubble Space Telescope has refined the measurement of the Universe’s present expansion rate to a precision where the error is smaller than five percent. The new value for the expansion rate, known as the Hubble constant, or H0 (after Edwin Hubble who first measured the expansion of the universe nearly a century ago), is 74.2 kilometers per second per megaparsec (error margin of ± 3.6). The results agree closely with an earlier measurement gleaned from Hubble of 72 ± 8 km/sec/megaparsec, but are now more than twice as precise.

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Caltech has announced it will begin decommissioning the Caltech Submillimeter Observatory (CSO) in Hawaii starting in 2016.

Caltech says the 23-year-old telescope is being replaced by the next generation of radio telescope, the Cornell Caltech Atacama Telescope (CCAT), to be located in Chile.

“The timing of this works very nicely,” says Tom Phillips, director of the CSO and Altair Professor of Physics in Caltech’s Division of Physics, Mathematics and Astronomy. “The international community of astronomers that rely on CSO will have a seamless transition as CCAT comes online just as CSO is decommissioned.”

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Fireworks in the universe? Astronomers are comparing “starbursts” from a galaxy that is in the throes of star formation to a Fourth of July fireworks display. And three particular galaxies are like my children’s favorite part of a fireworks display: the grand finale. These bursts occur at a fast and furious pace, lighting up a region for a short time before winking out. But that’s only part of the story. Archived data from the Hubble Space Telescope are showing that starbursts — intense regions of star formation — sweep across the whole galaxy and last 100 times longer than astronomers thought. The longer duration may affect how dwarf galaxies change over time, and therefore may shed light on galaxy evolution.

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•   Asteroids
•   Astrobiology
•   Astronomy
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•   Books and Literature
•   Chandra X-ray
•   Chinese Space
•   Comets
•   Earth Observation
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•   Environment
•   ExtraSolar Planets
•   Hubble Telescope
•   Jupiter: Large Gas Giant
•   Mars: The Red Planet
•   Meteorites
•   Missions in Space
•   Moon: Our Satellite

•   Nasa: Space Association
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•   Questions
•   Satellites
•   Saturn: Ringed Planet
•   Science and Technology
•   SETI: Listening For ET
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•   Uranus: Large Planet
•   Venus: Second Planet
•   Whats Up: Universe

• Age of the universe
• Big Bang
• Comoving distance
• Cosmic microwave background
• Dark energy
• Dark matter
• FLRW metric
• Friedmann equations
• Galaxy formation
• Hubble's law
• Inflation
• Large-scale structure
• Lambda-CDM model
• Metric expansion of space
• Nucleosynthesis
• Observable universe
• Redshift
• Shape of the universe
• Structure formation
• Timeline of the Big Bang
• Timeline of cosmology
• Ultimate fate of the universe
• Universe

• God and the Big Bang. A Big Bang Opened The Universe
• Theories: big bang - Science and the Universe
• Church and Science: Big Bang
• Creation: Big Bang
• Infinite Universe: Big Bang
• Stephen Hawkings Universe
• Theology: Big Bang
• Universe and Life
• Model of the Universe
• Theory of the Universe
• Singularity
• God! Big Bang
• What Started Creation
• Physics: Big Bang
• When Did the Big Bang Happen?
• Stephen Hawking: Big Bang
• Missing Mass
• Balanced Forces
• Gods Entry into the Universe
• Our Universe
• Christians
• Religion
• Time
• Infinite Nothingness
• Brief essay of the universe: new theory
• Summary of new idea on the opening of the universe
• Exchange A Big Bang For The Nothingness: Full Essay: Page 1 of 3
• Exchange A Big Bang For The Nothingness: Full Essay: Page 2 of 3
• Exchange A Big Bang For The Nothingness: Full Essay: Page 3 of 3