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  • June 26, 2013
  • 11:29 AM
  • 922 views

First ever experimental verification of a rare type of matter in stars

by Usman Paracha in SayPeople

Main Point:

For the first time, astronomers have experimentally reported a rare type of matter, dubbed "nuclear pasta", inside the neutron stars that is thought to be responsible for limiting the rotational speed of pulsars.

Published in:

Nature Physics

Study Further:

Neutron star refers to a celestial body consisting entirely of a very dense compact mass of neutrons, the remnant of a star that has collapsed under its own gravity.

The name for the rare state of matter........ Read more »

  • June 25, 2013
  • 09:59 AM
  • 726 views

Dust Escaping from Black Holes May Form Stars

by Emily Brown in United Academics

Matter escaping from the clutches of mysterious black holes may be responsible for forming stars, according to new research that explores how galaxies are formed. Much has been learnt about black holes – which lurk at the centre of all large galaxies and suck up anything in their vicinity – over the past two decades. Yet the phenomena remain largely unexplained.... Read more »

Hönig, S., Kishimoto, M., Tristram, K., Prieto, M., Gandhi, P., Asmus, D., Antonucci, R., Burtscher, L., Duschl, W., & Weigelt, G. (2013) DUST IN THE POLAR REGION AS A MAJOR CONTRIBUTOR TO THE INFRARED EMISSION OF ACTIVE GALACTIC NUCLEI. The Astrophysical Journal, 771(2), 87. DOI: 10.1088/0004-637X/771/2/87  

  • June 24, 2013
  • 12:21 PM
  • 670 views

CSIRO radio telescope helped scientists to study raw star gas

by Usman Paracha in SayPeople

Main Point:

Astronomers have studied the raw gas, cold molecular hydrogen gas, H2 that is thought to be involved in the development of early stars, when the universe was just three billion years old.

Publishing in:

Monthly Notices of the Royal Astronomical Society

Study Further:

Astronomers used CSIRO's Australia Telescope Compact Array telescope near Narrabri, NSW, to study those gases. They used a 'tracer' gas, carbon monoxide (CO) that emits radio waves to reveal........ Read more »

B. H. C. Emonts, I. Feain, H. J. A. Roettgering, G. Miley, N. Seymour, R. P. Norris, C. L. Carilli, M. Villar-Martin, M. Y. Mao, E. M. Sadler.... (2013) CO(1-0) detection of molecular gas in the massive Spiderweb Galaxy (z. Monthly Notices of the Royal Astronomical Society. arXiv: 1301.6012v1

Aravena, M., Murphy, E., Aguirre, J., Ashby, M., Benson, B., Bothwell, M., Brodwin, M., Carlstrom, J., Chapman, S., Crawford, T.... (2013) Large gas reservoirs and free-free emission in two lensed star-forming galaxies at z . Monthly Notices of the Royal Astronomical Society. DOI: 10.1093/mnras/stt741  

  • June 20, 2013
  • 05:20 AM
  • 1,224 views

Lunar Crater Discovery Helps Unlock Moon’s Secrets

by Sunanda Creagh and Francisca Gallardo in United Academics

In a new paper published in the Journal of Geophysical Research: Planets, the researchers described using a technique called “gravity mapping” which tracks the movement of satellites to make calculations about surface terrain. “As a satellite passes over a set of dense lunar rocks, it gets pulled toward the moon, so by tracking its orbit, scientists can deduce the gravity field of the moon. We also looked at the shape of topography and, together with the gravity, made our deduc........ Read more »

Featherstone, W., Hirt, C., & Kuhn, M. (2013) Band-limited Bouguer gravity identifies new basins on the Moon. Journal of Geophysical Research: Planets. DOI: 10.1002/jgre.20101  

  • June 17, 2013
  • 11:27 AM
  • 729 views

Mars have building blocks of life as shown by the Martian rock from Antarctica

by Usman Paracha in SayPeople

Main Point:

Scientists studied Martian meteorite obtained from Antarctica and found potential building block of life in it.

Published in:

PLoS ONE

Study Further:

Scientists have found good amount of boron in the rock. Boron is considered as the important element in the development of ribonucleic acid or RNA, which a nucleic acid that contains the sugar ribose. It is found in all living cells, and is essential for the manufacture of proteins according to the instructions carried by........ Read more »

Stephenson, J., Hallis, L., Nagashima, K., & Freeland, S. (2013) Boron Enrichment in Martian Clay. PLoS ONE, 8(6). DOI: 10.1371/journal.pone.0064624  

  • June 17, 2013
  • 05:48 AM
  • 1,103 views

NASA-Led Study Explains Decades of Black Hole Observations

by Perikis Livas in Chilon

A new study by astronomers at NASA, Johns Hopkins University and the Rochester Institute of Technology confirms long-held suspicions about how stellar-mass black holes produce their highest-energy light.... Read more »

NASA's Goddard Space Flight Center. (2013) NASA-Led Study Explains Decades of Black Hole Observations. NASA's Goddard Space Flight Center. info:/

  • June 16, 2013
  • 01:24 PM
  • 1,343 views

A video map of motions in the nearby universe

by Perikis Livas in Chilon

An international team of researchers, including University of Hawaiʻi at Mānoa astronomer Brent Tully, has mapped the motions of structures of the nearby universe in greater detail than ever before. The maps are presented as a video, which provides a dynamic three-dimensional representation of the universe through the use of rotation, panning and zooming. The video was announced recently at the conference “Cosmic Flows: Observations and Simulations” in Marseille, France, that honor........ Read more »

Louise Good. (2013) A video map of motions in the nearby universe. University of Hawaiʻi at Mānoa. info:/

  • June 13, 2013
  • 12:47 PM
  • 1,145 views

UH Astrobiologists Find Martian Clay Contains Chemical Implicated in the Origin of Life

by Perikis Livas in Chilon

Researchers from the University of Hawaii at Manoa NASA Astrobiology Institute (UHNAI) have discovered high concentrations of boron in a Martian meteorite. When present in its oxidized form (borate), boron may have played a key role in the formation of RNA, one of the building blocks for life.... Read more »

University of Hawaii at Manoa. (2013) UH Astrobiologists Find Martian Clay Contains Chemical Implicated in the Origin of Life. University of Hawaii at Manoa. info:/

  • June 12, 2013
  • 02:45 PM
  • 1,157 views

A journey to the active Sun

by Perikis Livas in Chilon

After approximately two months of preparations in Kiruna in the north of Sweden, the balloon-borne solar observatory Sunrise has lifted off successfully today at 7.37 a.m. CEST. For one week the team has been waiting for favorable weather conditions. Polar winds will now grasp the huge, helium-filled balloon and the gondola, carrying Sunrise westward around the North Pole at a height of more than 35 kilometers. Equipped with the largest solar telescope ever to have left the Earth’s surface........ Read more »

Dr. Birgit Krummheuer. (2013) A journey to the active Sun. Max Planck Institute for Solar System Research, Katlenburg-Lindau. info:/

  • June 12, 2013
  • 07:09 AM
  • 1,200 views

New, simple theory may explain mysterious dark matter

by Perikis Livas in Chilon

Most of the matter in the universe may be made out of particles that possess an unusual, donut-shaped electromagnetic field called an anapole.... Read more »

David Salisbury. (2013) New, simple theory may explain mysterious dark matter. Vanderbilt University. info:/

  • June 8, 2013
  • 04:53 PM
  • 1,272 views

International Team on Keck Observatory Strengthens Big Bang Theory

by Perikis Livas in Chilon

An international team of scientists using the most powerful telescope on Earth has discovered the moments just after the Big Bang happened more like the theory predicts, eliminating a significant discrepancy that troubled physicists for two decades.
... Read more »

Steve Jefferson. (2013) International Team on Keck Observatory Strengthens Big Bang Theory. W.M. Keck Observatory. info:/

  • June 7, 2013
  • 03:18 PM
  • 1,367 views

The Halting of the Hot Jupiter

by Melissa Chernick in Science Storiented

We haven’t talked about exoplanets for a while, and we should ‘cause they are pretty badass. Through various podcasts and the like, I've been hearing some really cool things about NASA’s Kepler Mission and all of neat astronomical bodies it’s been finding. So I decided to browse around the NASA and JPL websites to see what new coolness has been discovered recently.NASA’s Kepler Mission was launched in 2009. It was built to detect potentially life-supporting planets around other stars........ Read more »

  • May 31, 2013
  • 12:00 PM
  • 750 views

Astronauts on Mars would face a high dose of radiation

by Usman Paracha in SayPeople

Main Point:

NASA’s Mars Curiosity has confirmed that the astronauts on Mars would be hit by a high dose of radiation that would be more than the current safety limits.

Published in:

Science

Study Further:

To find the radiation, scientists used the data of the number of high-energy space particles attacking the rover in the eight-month journey on Mars. They found that the radiation dose is too high that would result in the development of fatal cancer beside other problems.
........ Read more »

Zeitlin, C., Hassler, D., Cucinotta, F., Ehresmann, B., Wimmer-Schweingruber, R., Brinza, D., Kang, S., Weigle, G., Bottcher, S., Bohm, E.... (2013) Measurements of Energetic Particle Radiation in Transit to Mars on the Mars Science Laboratory. Science, 340(6136), 1080-1084. DOI: 10.1126/science.1235989  

  • May 31, 2013
  • 07:31 AM
  • 990 views

An answer to a lunar mystery

by Perikis Livas in Chilon

Ever since the first satellites were sent to the moon to scout landing sites for Apollo astronauts, scientists have noticed a peculiar phenomenon: As these probes orbited the moon, passing over certain craters and impact basins, they periodically veered off course, plummeting toward the lunar surface before pulling back up.... Read more »

Jennifer Chu. (2013) An answer to a lunar mystery: Why is the moon’s gravity so uneven?. MIT News Office. info:/

  • May 30, 2013
  • 05:37 PM
  • 953 views

A New Kind of Cosmic Glitch

by Perikis Livas in Chilon

The physics behind some of the most extraordinary stellar objects in the Universe just became even more puzzling.
A group of astronomers led by McGill researchers using NASA’s Swift satellite have discovered a new kind of glitch in the cosmos, specifically in the rotation of a neutron star.

Neutron stars are among the densest objects in the observable universe; higher densities are found only in their close cousins, black holes. A typical neutron star packs as much mass as half-a-milli........ Read more »

McGill University. (2013) A New Kind of Cosmic Glitch. McGill News. info:/

  • May 30, 2013
  • 11:39 AM
  • 726 views

Neutron Star with a newly discovered “anti-glitch” property

by Usman Paracha in SayPeople

Main Point:

Astronomers from NASA have found a spinning neutron star, 1E 2259 586 that is slowing down, which would help them in understanding these celestial objects in detail.

Published in:

Nature

Study Further:

Introduction to Neutron Star:

Neutron star is a heavenly body consisting entirely of a very dense compact mass of neutrons, the remnant of a star that has collapsed under its own gravity and exploded as a supernova. Neutron stars have trillion times stronger magnetic ........ Read more »

Archibald, R., Kaspi, V., Ng, C., Gourgouliatos, K., Tsang, D., Scholz, P., Beardmore, A., Gehrels, N., & Kennea, J. (2013) An anti-glitch in a magnetar. Nature, 497(7451), 591-593. DOI: 10.1038/nature12159  

  • May 25, 2013
  • 02:12 PM
  • 1,131 views

Astronomers Measure the Elusive Extragalactic Background Light

by Perikis Livas in Chilon

If all the light emitted by all galaxies in the observable universe at all wavelengths during all of cosmic history were known, it would clue astronomers about the entire history of galaxy formation and evolution, and provide insights to key aspects of the expansion history of the universe.... Read more »

Iqbal Pittalwala. (2013) Astronomers Measure the Elusive Extragalactic Background Light. UC Riverside Today. info:/

  • May 25, 2013
  • 07:31 AM
  • 1,071 views

Accurate Distance Measurement Resolves Major Astronomical Mystery

by Perikis Livas in Chilon

The researchers used the National Science Foundation’s Very Long Baseline Array (VLBA) and the European VLBI Network (EVN) to precisely locate one of the most-observed variable-star systems in the sky — a double-star system called SS Cygni — at 370 light-years from Earth. This new distance measurement meant that an explanation for the system’s regular outbursts that applies to similar pairs also applies to SS Cygni.... Read more »

Dave Finley. (2013) Accurate Distance Measurement Resolves Major Astronomical Mystery. National Radio Astronomy Observatory. info:/

  • May 24, 2013
  • 08:36 AM
  • 982 views

HAWC Observatory captures first image

by Perikis Livas in Chilon

An international team of researchers, including scientists from Los Alamos, has taken the first image of the High-Altitude Water Cherenkov Observatory, or HAWC.The facility is designed to detect cosmic rays and the highest energy gamma rays ever observed from astrophysical sources.... Read more »

Los Alamos National Laboratory. (2013) HAWC Observatory captures first image. Los Alamos National Laboratory. info:/

  • May 23, 2013
  • 08:24 AM
  • 1,217 views

Fragile mega-galaxy is missing link in history of cosmos

by Perikis Livas in Chilon

Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to UC Irvine-led research published Wednesday in the journal Nature.... Read more »

UC Irvine Media Realease. (2013) Fragile mega-galaxy is missing link in history of cosmos. UC Irvine. info:/

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