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Astronomy Domain
News & content crawling from this Earth and above
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HubbleSite - NewsCenter - NASA Great Observatories Find Candidate for Most Distant Galaxy Yet Known (11/15/2012) - Introduction

HubbleSite - NewsCenter - NASA Great Observatories Find Candidate for Most Distant Galaxy Yet Known (11/15/2012) - Introduction | Astronomy Domain | Scoop.it
By combining the power of NASA's Hubble Space Telescope, Spitzer Space Telescope, and one of nature's own natural "zoom lenses" in space, astronomers have set a new distance record for finding the farthest galaxy yet seen in the universe. The diminutive blob, which is only a tiny fraction of the size of our Milky Way galaxy, offers a peek back into a time when the universe was 3 percent of its present age of 13.7 billion years. The newly discovered galaxy, named MACS0647-JD, is observed 420 million years after the big bang. Its light has traveled 13.3 billion years to reach Earth.
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VISTA creates huge nine-gigapixel zoomable image of 84 million stars | STFC

VISTA creates huge nine-gigapixel zoomable image of 84 million stars | STFC | Astronomy Domain | Scoop.it
VISTA creates huge nine-gigapixel zoomable image of 84 million stars...
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Why We Need a Supercomputer on the Moon | Wired Enterprise | Wired.com

Why We Need a Supercomputer on the Moon | Wired Enterprise | Wired.com | Astronomy Domain | Scoop.it
A Lunar supercomputer could ease our deep-space networking bottleneck Image: Simon Lutrin/Wired Should we build a supercomputer on the moon?
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Adieu Navette Spatiale | La boite verte

Adieu Navette Spatiale | La boite verte | Astronomy Domain | Scoop.it

Quelques belles photos (souvenirs).

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APOD: 2012 September 17 - A Solar Filament Erupts

APOD: 2012 September 17 - A Solar Filament Erupts | Astronomy Domain | Scoop.it

Explanation: What's happened to our Sun? Nothing very unusual -- it just threw a filament. At the end of last month, a long standing solar filament suddenly erupted into space producing an energetic Coronal Mass Ejection (CME). The filament had been held up for days by the Sun's ever changing magnetic field and the timing of the eruption was unexpected. Watched closely by the Sun-orbiting Solar Dynamics Observatory, the resultingexplosion shot electrons and ions into the Solar System, some of which arrived at Earth three days later and impacted Earth's magnetosphere, causing visible aurorae. Loops of plasma surrounding an active region can be seen above the erupting filament in the ultraviolet image. If you missed this auroral display please do not despair -- over the next two years our Sun will be experiencing a solar maximum of activity which promises to producemore CMEs that induce more Earthly auroras.

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Big Bang Tracked With Hydrogen Atoms - Space News - redOrbit

Big Bang Tracked With Hydrogen Atoms - Space News - redOrbit | Astronomy Domain | Scoop.it
If the eyes are the windows to your soul, the stars are the windows to our galactic past because they can unveil the history of our Universe. The farther away a star is, the older it is.
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APOD: 2012 August 23 - Conjunction Colours

APOD: 2012 August 23 - Conjunction Colours | Astronomy Domain | Scoop.it

Explanation: During the past week, nightfall on planet Earth has featured Mars, Saturn, and Spica in a lovely conjunction near the western horizon. Still forming the corners of a distinctive celestial triangle after sunset and recently joined by a crescent Moon, they are all about the same brightness but can exhibit different colors to the discerning eye. This ingenious star trail image was recorded as the trio set on August 12 with a telephoto lens from the shores of Lake Eppalock, in central Victoria, Australia. Focused on foreground eucalyptus trees, the image slightly blurs the trails to show more saturated colors. Can you guess which trail is which? Of course thereddest trail is Mars, with Saturn on the right a paler echo of the Red Planet's hue. Left is hot and luminous Spica, bluish alpha star of the constellation Virgo.

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Star births seen on cosmic scale in distant galaxy - R & D Magazine

Star births seen on cosmic scale in distant galaxy - R & D Magazine | Astronomy Domain | Scoop.it
R & D MagazineStar births seen on cosmic scale in distant galaxyR & D MagazineThere's a constant "tussle between black holes and star formation," said Sir Martin Rees, a prominent astrophysicist at the University of Cambridge in England.
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Nasa rover touches down on Mars

Nasa rover touches down on Mars | Astronomy Domain | Scoop.it
The US space agency, Nasa, successfully lands its huge new robot rover in a deep crater on the Red Planet.
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L’eau terrestre viendrait des astéroïdes

L’eau terrestre viendrait des astéroïdes: Cette hypothèse devient bien plus forte à présent : les recherches actuelles semblent montrer que la source de l’eau sur Terre soit issue du bombardement de notre planète par des astéroïdes présents dans...
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Higgs Boson Impostors? It's Possible, Say Scientists

Higgs Boson Impostors? It's Possible, Say Scientists | Astronomy Domain | Scoop.it
Could the particle discovered at CERN be a Higgs Boson impostor? One group of scientists think there's a chance that that might be the case.
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Physicists say they've found evidence of 'God particle'

Physicists say they've found evidence of 'God particle' | Astronomy Domain | Scoop.it
To cheers and standing ovations from scientists, the world's biggest atom smasher claimed the discovery of a new subatomic particle Wednesday, calling it "consistent" with the long-sought Higgs boson -- popularly known as the "God particle" -- that...

Via Sakis Koukouvis
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Sweeping Away Space Debris With Dust | Space Safety Magazine

Sweeping Away Space Debris With Dust | Space Safety Magazine | Astronomy Domain | Scoop.it
Scientists at the U.S. Naval Research Laboratory (NRL) are looking into an innovative “sweeping” method to mitigate the ever-increasing LEO space debris issue. Illustration of the dust deployment (Credits: NRL).

 

According to NASA estimations, there are more than 21,000 orbital debris objects larger than 10 centimeters in diameter in LEO, and approximately 500,000 particles between 1 and 10 centimeters

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HD 40307g, une exoplanète potentiellement habitable et proche de la Terre

HD 40307g, une exoplanète potentiellement habitable et proche de la Terre | Astronomy Domain | Scoop.it

Une exoplanète dont la masse équivaudrait à sept fois celle de la Terre et potentiellement habitable a été découverte à quelque 42 années-lumière de nous.

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APOD: 2012 October 23 - Mammatus Clouds Over Saskatchewan

APOD: 2012 October 23 - Mammatus Clouds Over Saskatchewan | Astronomy Domain | Scoop.it

These mammatus clouds were photographed over Regina, Saskatchewan, Canada during the past summer.

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Warp drive looks more promising than ever in recent NASA studies

Warp drive looks more promising than ever in recent NASA studies | Astronomy Domain | Scoop.it

"The first steps towards interstellar travel have been taken, but the stars are very far away. Voyager 1 is about 17 light-hours distant from Earth and is traveling with a velocity of 0.006 percent of light speed, meaning it will take about 17,000 years to travel one light-year. Fortunately, the elusive "warp drive" now appears to be evolving past difficulties with new theoretical advances and a NASA test rig under development to measure artificially generated warping of space-time."

 

This is a follow up to the news I published a few days ago and it is a much more detailed article. It is a great read if you won't to understand while, far from being a practical possibility yet, it is something theoretically possible. 


Via Szabolcs Kósa, olsen jay nelson, Guillaume Decugis
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APOD: 2012 September 20 - Sunrise Analemma (with a little extra)

APOD: 2012 September 20 - Sunrise Analemma (with a little extra) | Astronomy Domain | Scoop.it

Explanation: An analemma is that figure-8 curve that you get when you mark the position of the Sun at the same time each day throughout planet Earth's year. In this case, 17 individual images taken at 0231 UT on dates between April 2 and September 16 follow half the analemma curve, looking east toward the rising sun and the Caspian sea from the boardwalk in the port city of Baku, Azerbaijan. With the sun nearest the horizon, those dates almost span the period between the 2012 equinoxes on March 20 and September 22. The northern summer Solstice on June 20 corresponds to the top of the figure 8 at the left, when the Sun stood at its northernmost declination. Of course, this year the exposure made on June 6 contained a little something extra. Slightly enhanced, the little black spot on the bright solar disk near the top of the frame is planet Venus, caught in a rare transit during this well-planned sunrise analemma project.

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Voyager 1 farther from solar system's edge than thought

Voyager 1 farther from solar system's edge than thought | Astronomy Domain | Scoop.it
NASA's Voyager 1 spacecraft, which launched 35 years ago Wednesday, surprisingly may have far more to travel before it leaves the solar system, researchers say.
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Man builds $20,000 space observatory in backyard | Geek.com

Man builds $20,000 space observatory in backyard | Geek.com | Astronomy Domain | Scoop.it
There's nothing amateur about these deep space shots.
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A fresh Martian impact | Bad Astronomy | Discover Magazine

A fresh Martian impact | Bad Astronomy | Discover Magazine | Astronomy Domain | Scoop.it
Cool stuff | craters | Because the planets are so terribly old, and impacts so rare, I still have this (very slight) prejudice that craters are old too. The Moon was bombarded billion.
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CERN scientists may have set new man-made heat record: 9.9 trillion degrees Fahrenheit

CERN scientists may have set new man-made heat record: 9.9 trillion degrees Fahrenheit | Astronomy Domain | Scoop.it
Scientists at CERN's Large Hadron Collider may have generated the hottest temperatures ever made by human beings, beating the previous record over a trillion degrees Celsius, reports Nature. Although...
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Largest ever Cherenkov telescope sees first light

Largest ever Cherenkov telescope sees first light | Astronomy Domain | Scoop.it
The HESS project: an array of imaging atmospheric Cherenkov telescopes...
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Moon Meets Jupiter

Moon Meets Jupiter | Astronomy Domain | Scoop.it
Image Credit & Copyright: Cristian Fattinnanzi

Explanation: Skygazers around planet Earth enjoyed the close encounter of planets and Moon in July 15's predawn skies. And while many saw bright Jupiter next to the slender, waning crescent, Europeans also had the opportunity to watch the ruling gas giant pass behind the lunar disk, occulted by the Moon as it slid through the night. Clouds threaten in this telescopic view from Montecassiano, Italy, but the frame still captures Jupiter after it emerged from the occultation along with all four of its large Galilean moons. The sunlit crescent is overexposed with the Moon's night side faintly illuminated by Earthshine. Lined up left to right beyond the dark lunar limb are Callisto, Ganymede, Jupiter, Io, and Europa. In fact, Callisto, Ganymede, and Io are larger than Earth's Moon, while Europa is only slightly smaller.

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The decades-long search for the Higgs

The decades-long search for the Higgs | Astronomy Domain | Scoop.it
(Phys.org) -- It was a little over two years ago that the Large Hadron Collider kicked off its search for the Higgs boson.
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Canadian experts eagerly await 'God particle' announcement - Technology & Science - CBC News

Canadian experts eagerly await 'God particle' announcement - Technology & Science - CBC News | Astronomy Domain | Scoop.it
More than 100 Canadian researchers who have been working on an international project into the Higgs boson are eagerly awaiting an announcement that enough evidence has been gathered to say with greater confidence whether or not the long sought...
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