Working at the Armagh Observatory with Dr Simon Jeffery and Dr Tolis Christou, Nuffield Science Bursary scholar Elizabeth Connolly was using an internet connection to control the Faulkes Telescope in Hawaii. During her half-hour observing session, she briefly turned the telescope to where the new planet had been discovered. After taking a photograph with the 2-metre telescope, she compared the new image with an old image of the same patch of sky. The new planet was clearly visible as a faint smudge amongst other background stars, where before there had been nothing. Asked what she felt about sighting the new planet, Elizabeth, a student at Loreto Grammar School, Omagh, said, "Wow, its cool! Its amazing how a little tiny dot can make you realise your complete insignificance in the universe!"
2003 UB313 was discovered by a team of Californian astronomers on January 5, 2005 from images taken in 2003, and the discovery was announced on July 29, 2005. It has been described as "definitely bigger than Pluto", and is the largest known member of a family of objects orbiting the Sun beyond Neptune. Right now, 2003 UB313 is three times further from the Sun than Neptune, and 97 times farther from the Sun than Earth. Since the discovery of Pluto in 1930, the solar system has contained nine planets. Being larger than Pluto, 2003 UB313 might now be considered as the tenth planet in the Solar System, and is already being described as such by NASA. However, the status of Pluto as a planet has been subject to debate for some time. Both Pluto and 2003 UB313 are considerably smaller than the Earth and quite unlike the giant outer planets Uranus and Neptune. Also, they travel in orbits that are quite unlike the other planets. So what is a planet? The International Astronomical Union, which adjudicates on all matters astronomical, has been reviewing the definition of the term. Whether Pluto remains a planet, and whether it will be joined by a new family of outer planets or whether these ghostly wanderers will be downgraded, is a question not just for astronomers, but for everyone. Meanwhile, 2003 UB313 awaits a real name rather than just a number.
What happens when we heat the atomic lattice of a magnet all of a sudden?
17.07.2018 | Forschungsverbund Berlin
Subaru Telescope helps pinpoint origin of ultra-high energy neutrino
16.07.2018 | National Institutes of Natural Sciences
For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.
To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...
For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.
Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...
Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...
Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....
Ultra-short, high-intensity X-ray flashes open the door to the foundations of chemical reactions. Free-electron lasers generate these kinds of pulses, but there is a catch: the pulses vary in duration and energy. An international research team has now presented a solution: Using a ring of 16 detectors and a circularly polarized laser beam, they can determine both factors with attosecond accuracy.
Free-electron lasers (FELs) generate extremely short and intense X-ray flashes. Researchers can use these flashes to resolve structures with diameters on the...
13.07.2018 | Event News
12.07.2018 | Event News
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17.07.2018 | Materials Sciences
17.07.2018 | Power and Electrical Engineering