Posts

November 26, 2014

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10:44 PM | RIP Philae? The Latest on the Comet Mission SciShow Space News...
RIP Philae? The Latest on the Comet Mission SciShow Space News explains what happened to Philae, the first spacecraft on the surface of a comet, and shares what scientists say about the future of the mission. Hosted by: Caitlin Hofmeister By: SciShow Space. Support on Subbable: https://subbable.com/scishow
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10:21 PM | The Most Precise Signal in the Universe (Synopsis)
“We… are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask where it came from.” -Jill Tartar But that doesn’t mean we can’t also look to the hydrogen itself, and use its information to learn about where other things may have come from! An extraordinary example…
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6:06 PM | Gravity may have saved the universe after the Big Bang, say researchers
Physicists may now be able to explain why the universe did not collapse immediately after the Big Bang. Studies of the Higgs particle — discovered at CERN in 2012 and responsible for giving mass to all particles — have suggested that the production of Higgs particles during the accelerating expansion of the very early universe … Continue reading →
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5:53 PM | How to estimate the magnetic field of an exoplanet
Scientists developed a new method which allows to estimate the magnetic field of a distant exoplanet, i.e., a planet, which is located outside the Solar system and orbits a different star. Moreover, they managed to estimate the value of the magnetic moment of the planet HD 209458b. In the two decades which passed since the … Continue reading →
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5:45 PM | It’s filamentary: How galaxies evolve in the cosmic web
How do galaxies like our Milky Way form, and just how do they evolve? Are galaxies affected by their surrounding environment? Astronomers now propose some answers. The researchers highlight the role of the ‘cosmic web’ — a large-scale web-like structure comprised of galaxies — on the evolution of galaxies that took place in the distant … Continue reading →
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5:34 PM | Hubble observations cast further doubt on how globular clusters formed
Thanks to the NASA/ESA Hubble Space Telescope, some of the most mysterious cosmic residents have just become even more puzzling. New observations of globular clusters in a small galaxy show they are very similar to those found in the Milky Way, and so must have formed in a similar way. Globular clusters — large balls … Continue reading →
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4:11 PM | What Our Milky Way Galaxy Looked Like 10 Billion Years Ago
Using two supercomputers at Oak Ridge National Laboratory and the Swiss National Supercomputing Center, a group of researchers headed by Dr Simon Portegies Zwart of Leiden Observatory has simulated the long term evolution of the Milky Way Galaxy over a period of six billion years – from 10 to 4 billion years ago. If you [...]
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3:30 PM | PNAS: Asad Aboobaker, Thermal Engineer
I’ve decided to do a new round of profiles in the Project for Non-Academic Science (acronym deliberately chosen to coincide with a journal), as a way of getting a little more information out there to students studying in STEM fields who will likely end up with jobs off the “standard” academic science track. Sixth in…
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3:20 PM | Spooky quasar alignment at a distance
The filaments that structure the Universe may have lined up its galaxies, too.
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3:00 PM | Millie Hughes-Fulford: Scientist in Space
Former astronaut Millie Hughes-Fulford is sending an experiment into space that could one day help travelers going to Mars and aging people here on Earth. She seeks to understand how a lack of gravity impacts our immune system.
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12:47 PM | Mystery of Globular Star Clusters’ Formation Deepens
New Hubble Space Telescope observations of globular star clusters in a tiny galaxy called the Fornax dwarf spheroidal galaxy (Fornax dSph) show these objects are very similar to those found in our own Milky Way Galaxy, and so must have formed in a similar way. One of the leading theories on how globular clusters form [...]
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2:00 AM | The Perseus Galaxy Cluster Reveals Something Astonishing in X-Rays
This image of the Perseus galaxy cluster shows something extraordinary. In X-ray light, you can see the superheated gas which bathes the thousands of galaxies in the cluster. And in the shape of the gas, scientists found evidence of turbulence on a cosmic scale.Read more...
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12:54 AM | Should We Fund Space Exploration?
From KQED Education Do Now: Human space travel has long been a subject of fascination and scientific inquiry. Should we fund space exploration, or would the money be better spent elsewhere?

November 25, 2014

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10:23 PM | Hubble Space Telescope Zooms in on Spiral Galaxy NGC 986
Astronomers using NASA’s Hubble Space Telescope have photographed a distant barred spiral galaxy called NGC 986. NGC 986 (also known as Dunlop 519) was discovered in 1828 by the Scottish astronomer James Dunlop. It is a bright, 11th-magnitude spiral galaxy (type SBab) located in the southern constellation of Fornax, 56 million light-years away. Its golden [...]
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8:37 PM | The Cusp of Knowing and the Evolution of Science
In a nice piece on his Scientific American blog ‘Cross-Check‘, John Horgan recently gave me some much appreciated praise, whilst provoking discussion on a contentious subject –... -- Read more on ScientificAmerican.com
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8:16 PM | Mercury and Turkey If Mercury were the size of a cranberry, how...
Mercury and Turkey If Mercury were the size of a cranberry, how big would Jupiter be? Find out from Dr. Bruce Betts on this week’s Random Space Fact. Happy Thanksgiving! By: The Planetary Society.
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6:38 PM | Science Bulletins: Focus on Mars This month’s Astro News...
Science Bulletins: Focus on Mars This month’s Astro News features a roundup of Mars stories: • A high-resolution map of Mars’s surface shows geologic structures in more detail than ever before. • Two missions—MOM and MAVEN—made orbit around the Red Planet. • 900 images are assembled to create a billion-pixel panorama of Gale Crater. By: American Museum of Natural History.
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12:02 AM | Messier Monday: Orion’s Second Nebula, M43 (Synopsis)
“Be not afraid of greatness. Some are born great, some achieve greatness, and others have greatness thrust upon them.” -William Shakespeare But in the case of Orion, it’s great because of not only how it was born, but where and when: recently, and so close to us! And that makes our views of not only the…

November 24, 2014

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5:31 PM | What is it about Mars?
Our Fascination Dates Back through History This Friday, November 28th, about 90,000 messages sent from the people of Earth will make their way to the planet Mars. They’re part of the “Beam Me to Mars” effort put together by Uwingu.com to celebrate the 50th anniversary of NASA’s Mariner 4 mission in 1964. This spacecraft was the first […]
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3:23 PM | Black holes seem to know their place in the cosmic web
A study of 19 quasars — extremely bright black holes at the centers of galaxies — showed the matter swirling around them spins in accordance with where they reside. Galaxies form a vast network of clumps and filaments connecting them, the cosmic web known as the large-scale structure of the Universe. Researchers found that at […]
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3:00 PM | Climbing the cosmic distance ladder
How far are the stars we see every night? This was possibly one of the first questions early astronomers asked themselves and it is […] Read more The post Climbing the cosmic distance ladder appeared first on Mapping Ignorance. No related posts.
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2:20 PM | Black hole jets, how do they work? Magnets!
Well, a really intense magnetic field, at least.

November 23, 2014

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10:01 AM | A Swift glance at red dwarfs
November 20, 2014 is a huge day for NASA’s Swift spacecraft, as it marks the tenth anniversary of its launch. Currently orbiting our planet, Swift is scanning the skies for potential sources of events known as Gamma-ray bursts (GRB’s). Each burst is a huge, but relatively brief, flash of very high energy radiation coming from interstellar space. Astronomers believe they happen fairly frequently (we detect around one per day according to NASA), and last from a few milliseconds up […]
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4:17 AM | Mars, Rainbow Planet
In fact, Mars is still our solar system’s beloved “Red Planet”, so-named for the abundance of iron oxide on its surface. And if held in your hand, Mars rocks most Mars rocks will appear rather similar to rocks from our home planet. However, also like rocks from Earth and other planetary bodies, very thin slices, or thin […]

November 22, 2014

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9:08 PM | Morsels For The Mind – 21/11/2014
Every day we provide you with Six Incredible Things Before Breakfast to nibble away at. Here you can fill your brain with the most intellectually stimulating “amuse bouches” from the past week – a veritable smorgasbord for the cranium. They’re all here for you to load up your plate – this week’s “Morsels for the mind”. Enjoy! If you do nothing else, make sure to check out the “Reads / views / listens of the week”. This week: Deeply […]
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9:08 PM | Morsels For The Mind – 21/11/2014
Every day we provide you with Six Incredible Things Before Breakfast to nibble away at. Here you can fill your brain with the most intellectually stimulating “amuse bouches” from the past week – a veritable smorgasbord for the cranium. They’re all here for you to load up your plate – this week’s “Morsels for the mind”. Enjoy! If you do nothing else, make sure to check out the “Reads / views / listens of the week”. This week: Deeply […]
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6:21 PM | A new, enhanced view of Europa
The puzzling, fascinating surface of Jupiter’s icy moon Europa looms large in this newly-reprocessed color view, made from images taken by NASA’s Galileo spacecraft in the late 1990s. This is the color view of Europa from Galileo that shows the largest portion of the moon’s surface at the highest resolution. The view was previously released […]

November 21, 2014

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9:38 PM | Astronomers Discover Mysterious Source of Light in Dwarf Galaxy Markarian 177
A multinational group of astronomers led by Dr Michael Koss of ETH Zurich has discovered an exotic object in a galaxy some 90 million light-years away. The mystery object, named SDSS J113323.97+550415.8 (SDSS1133 for short), is part of the dwarf galaxy Markarian 177 and lies at least 2,600 light-years from the galaxy’s center. The source [...]
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3:15 PM | Asteroid Early-Warning Strategies Report Released
A United Nations team has been deliberating over the years regarding the gathering and analysis of near-Earth object (NEO) data.
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12:30 PM | The First Landing on a Comet
Released from the Rosetta orbiter, the fridge-sized Philae lander drifts down to become the first spacecraft to land on a comet. Image Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA And the second, and the third...At 8.35 GMT last Wednesday morning, five hundred million kilometres from the Earth, a tiny lander called Philae detached from the side of the Rosetta spacecraft. 28 minutes later the signal confirming the separation arrived at ESA’s Space […]
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