Namra Adeel

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Rare, massive merging of two faraway galaxies

A massive and rare merging of two galaxies has been spotted in images taken by the Herschel space observatory.<p>Follow-up studies by several telescopes …

Universe

APOD: Messier 109 (2013 May 23) Image Credit & Copyright: Bob Franke http://apod.nasa.gov/apod/ap130523.html Explanation: Beautiful barred spiral galaxy M109, 109th entry in Charles Messier's famous catalog of bright Nebulae and Star Clusters, is found just below the Big Dipper's bowl in the northern constellation Ursa Major. In telescopic views, its striking central bar gives the galaxy the appearance of the Greek letter "theta", ?, a common mathematical symbol representing an angle. Of course M109 spans a very small angle in planet Earth's sky, about 7 arcminutes or 0.12 degrees. But that small angle corresponds to an enormous 120,000 light-year diameter at the galaxy's estimated 60 million light-year distance. The brightest member of the now recognized Ursa Major galaxy cluster, M109 (aka NGC 3992) is joined by three spiky foreground stars strung out across this frame. The three small, fuzzy bluish galaxies also on the scene, identified left to right as UGC 6969, UGC 6940 and UGC 6923, are possibly satellite galaxies of the larger M109. http://bf-astro.com/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=130523 Starship Asterisk* • On This Day in APOD http://asterisk.apod.com/view_retro.php?date=0523

As it turns 15, the ESO's Very Large Telescope captures another interstellar stunner

The Very Large Telescope is about to turn 15, and to celebrate the European Southern Observatory has released a spectacular image of a radiant pink gas cloud. Naturally the shot you see above — showcasing just one nursery (IC 2944, according to Phys.org) where stars are born in spectacular fashion …

The Ring Nebula’s true shape

The Ring Nebula’s true shape – revealed in this composite image made in visible light and infrared – is vastly more intricate than astronomers …

Roll over Einstein: meet Weinstein | Alok Jha

There are a lot of open questions in modern physics.<p>Most of the universe is missing, for example. The atoms we know about account for less than 5% of …

Mars bashed by (only) 200 asteroids a year

<b>U. ARIZONA (US) —</b> Mars is pummeled by space rocks less frequently than previously thought, experts report.<p>Using images from NASA’s Mars …

The science of tornado prediction: can technology keep us safe from future storms?

Right now, tornado warnings give us mere minutes to seek safety — but new technology is poised to change that<p>A satellite image of this week's tornado in Moore, Oklahoma, captured by NASA's Moderate Resolution Imaging Spectroradiometer. (Credit: NASA.)<p>It's been nearly 150 years since scientists …

‘Dynamo’ accounts for Sun’s weather cycle

<b>U. LEEDS (UK) / U. CHICAGO (US) —</b> Researchers have discovered what drives the generation of astrophysical magnetic fields like the Sun’s.<p>Scientists …

A hidden population of exotic neutron stars

Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation – are some of the most extreme objects known …

Universe

Solar plane completes second leg of cross-country flight in Texas

DALLAS (Reuters) - A solar airplane that developers hope to eventually pilot around the globe landed safely on Thursday in Texas, completing the second and longest leg of an attempt to fly across the United States powered only by the sun.<p>The spindly experimental aircraft, dubbed Solar Impulse, …

Strange Dark Matter Interactions Could Create Galactic Disks and Dark Light

A small percentage of the dark matter in our universe might be able to interact with itself through an as-of-yet unknown dark force, forming dark …

Astronomers catch two giant galaxies merging in images from Europe's Herschel space telescope

The European Space Agency's giant space telescope Herschel ran out of fuel last month and stopped working, as scientists had been expecting. But before then, the telescope was able to capture images of a rare cosmic event: the merger of two large, ancient galaxies into one super-sized galaxy. At …