Poor Pluto Demoted Again Taylor Hours Alcohol Shrinks the Brain

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Poor Pluto Demoted Again Taylor Hours Alcohol Shrinks the Brain

September 2017 Taylor Hours The Edition September By: E. Kirk Monday to Thursday: InfoDesk: 9:00-5:00 In honour of the 10th anniversary, we’re reprinting news pieces 8:00-11:00 from 2007. 8:00 - 9:00 InfoDesk: 9:00 -5:00 Fridays: Saturdays: 10::30—9:00 InfoDesk: closed Poor Pluto demoted again Academic study hall Poor Pluto. Not only has it been demoted from the status of with self-service availa- ble planet to “dwarf planet”, it has recently been discovered that it is not even the biggest of the dwarf planets. Eris, another dwarf Sundays: 10:30 - 9:00 InfoDesk: 10:30-5:00 planet in the solar system, has a mass of approximately a third more than Pluto’s and is about half the size of the moon. Brown Research Help Desk Research Help: Staffed: and Schaller (2007) were able to deduce Eris’ mass through Monday to Friday: [email protected] the orbit of Eris’ moon, Dysnomia. They also calculated Eris’ 11:30-3:30 density, putting it around the same density as Pluto. Now that other dwarf planets are being discovered, it is unlikely that Pluto will ever regain planet status, but it will always have a Alcohol shrinks the special place in our solar system and our hearts. brain While it should not come as a surprise that drink- ing excessive amounts of alcohol isn’t good for your brain, a new study presented at the Ameri- can Academy of Neurology's 59th Annual Meeting, suggests that there is a negative correla- tion between alcohol consumption and brain volume. Overall, the study found that participants who had more than 14 drinks per week had an average 1.6 percent reduction in brain volume compared to participants who didn't drink. While the participants were aged 34 to 88, there is nothing to suggest that these findings cannot be generalized to drinkers of other age groups such as university students, for instance. References Brown, M. and Schaller, E. (2007). The mass of dwarf planet Eris. Science 316, 1585. Paul, et al. (2007, May). The Effect of Alcohol Consumption on Total Brain Volume: The Framingham Heart Study. Poster session presented at the annual meeting of the American Academy of Neurology, Boston, MA. www.lib.uwo.ca/taylor @westernulibsTAY www.facebook.com/taylib .

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Demoting Pluto Presentation
WWhhaatt HHaappppeenneedd ttoo PPlluuttoo??!!!! Scale in the Solar System, New Discoveries, and the Nature of Science Mary L. Urquhart, Ph.D. Department of Science/Mathematics Education Marc Hairston, Ph.D. William B. Hanson Center for Space Sciences FFrroomm NNiinnee ttoo EEiigghhtt?? On August 24th Pluto was reclassified by the International Astronomical Union (IAU) as a “dwarf planet”. So what happens to “My Very Educated Mother Just Served Us Nine Pizzas”? OOffifficciiaall IAIAUU DDeefifinniittiioonn A planet: (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighborhood around its orbit. A dwarf planet must satisfy only the first two criteria. WWhhaatt iiss SScciieennccee?? National Science Education Standards (National Research Council, 1996) “…science reflects its history and is an ongoing, changing enterprise.” BBeeyyoonndd MMnneemmoonniiccss Science is “ not a collection of facts but an ongoing process, with continual revisions and refinements of concepts necessary in order to arrive at the best current views of the Universe.” - American Astronomical Society AA BBiitt ooff HHiiststoorryy • How have planets been historically defined? • Has a planet ever been demoted before? Planet (from Greek “planetes” meaning wanderer) This was the first definition of “planet” planet Latin English Spanish Italian French Sun Solis Sunday domingo domenica dimanche Moon Lunae Monday lunes lunedì lundi Mars Martis
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CHORUS: Let's Go Meet the Dwarf Planets There Are Five in Our Solar
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Dwarf Planet Ceres
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