Mason Elected As President of Hoffman Club Council May Discuss
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A Wunda-Full World? Carbon Dioxide Ice Deposits on Umbriel and Other Uranian Moons
Icarus 290 (2017) 1–13 Contents lists available at ScienceDirect Icarus journal homepage: www.elsevier.com/locate/icarus A Wunda-full world? Carbon dioxide ice deposits on Umbriel and other Uranian moons ∗ Michael M. Sori , Jonathan Bapst, Ali M. Bramson, Shane Byrne, Margaret E. Landis Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA a r t i c l e i n f o a b s t r a c t Article history: Carbon dioxide has been detected on the trailing hemispheres of several Uranian satellites, but the exact Received 22 June 2016 nature and distribution of the molecules remain unknown. One such satellite, Umbriel, has a prominent Revised 28 January 2017 high albedo annulus-shaped feature within the 131-km-diameter impact crater Wunda. We hypothesize Accepted 28 February 2017 that this feature is a solid deposit of CO ice. We combine thermal and ballistic transport modeling to Available online 2 March 2017 2 study the evolution of CO 2 molecules on the surface of Umbriel, a high-obliquity ( ∼98 °) body. Consid- ering processes such as sublimation and Jeans escape, we find that CO 2 ice migrates to low latitudes on geologically short (100s–1000 s of years) timescales. Crater morphology and location create a local cold trap inside Wunda, and the slopes of crater walls and a central peak explain the deposit’s annular shape. The high albedo and thermal inertia of CO 2 ice relative to regolith allows deposits 15-m-thick or greater to be stable over the age of the solar system. -
The College News, 1946-05-08, Vol. 32, No. 23 (Bryn Mawr, PA: Bryn Mawr College, 1946)
Bryn Mawr College Scholarship, Research, and Creative Work at Bryn Mawr College Bryn Mawr College Publications, Special Bryn Mawr College News Collections, Digitized Books 1946 The olC lege News, 1946-05-08, Vol. 32, No. 23 Students of Bryn Mawr College Let us know how access to this document benefits ouy . Follow this and additional works at: http://repository.brynmawr.edu/bmc_collegenews Custom Citation Students of Bryn Mawr College, The College News, 1946-05-08, Vol. 32, No. 23 (Bryn Mawr, PA: Bryn Mawr College, 1946). This paper is posted at Scholarship, Research, and Creative Work at Bryn Mawr College. http://repository.brynmawr.edu/bmc_collegenews/807 For more information, please contact [email protected]. • ' , 1 • j..., / ·1 � . •• .�, .. HE"'�" EWS VOL. XLII, NO, 23- ARDMORE and BRYN MAWR, PA" WEDNESDAY, MAY 8,1946 Copyrlahl Truateea ot PRICE CENTS Bryn Mawr Colle... un; 10 Toynbee Meyer to Speak Petts to Leave; Signing Out Plan Arnold . To Head Dance Increased Cost On Third War Found Ineffective To Deliver Next I Forces College • ��!�� ����f. Or World G-ov't. .. e : p ' � c_ For Saving Food tor of Physical E on. will J,k Cord Mey.. , Jr" wHi .peak � The signing-out system insti Flexner SerIeS leave Bryn Mawr next. year to be To Raise Fees on "World W'8T III or World Gov tuted for week-end meala to con. the dance director of the New Am ernment" at the tenth College As serve on the- amount of food ,pre Famed British Scholar erican Opera Company, This Com Additional Fee of sembly on Current Affairs, to be 'Pared and served, has Iproved help $90 pany will start its season at the To Give Lectures held in Goodhart, on May 9th at ful in only three halls on campus, Divided Between Academy of Music in Philadel 12:30 P. -
Margaret Kivelson
Margaret Galland Kivelson 6/27/2013 Margaret Kivelson- Dynamics - MoP 2011 – Boston University 1 Rotationally driven magnetospheres! (Mauk et al., (Saturn, Chapter 11) state: “while it is true that Saturn’s magnetosphere is intermediate between those of Earth and Jupiter in terms of size (whether measured by RP; RPP, or RMP), it is not intermediate in any meaningful dynamical sense. It is clearly rotationally driven like Jupiter’s, not solar-wind–driven like Earth’s.” Margaret Kivelson- Dynamics - MoP 6/27/2013 2011 – Boston University 2 This Vasyliunas (1983) diagram is a necessary element of any discussion of the magnetospheres of gas giants! It captures some critical features implicitly or explicitly: A significant source of heavy plasma deep within the magnetopause (Io, Enceladus) is spun up to some fraction of corotation speed by field-aligned currents coupling magnetosphere and ionosphere. Rotation dominates the dynamics – drives plasmoid releases down the tail. Solar wind shapes the boundaries but does not dominate the dynamics. Margaret Kivelson- Dynamics - MoP 6/27/2013 2011 – Boston University 3 Thomas et al., 2004 Schneider and Trager, 1995 In the pickup process, ions acquire perp. thermal speed of local rotation speed. 2 Energy added N pum() Pickup energy is shared with background plasma. Typically heats plasma. Melin6/27/2013 et al., 2009 4 Much is well established, but puzzles remain. Discuss a few features energy density of plasma and why it changes vs. radial distance, vs. local time, periodicities, Anomalies in regions of high dust density. Margaret Kivelson- Dynamics - MoP 6/27/2013 2011 – Boston University 5 At Earth, temperature (more correctly Below a plot from Kane et al (1995) thermal energy per particle) decreases of Voyager data at Jupiter, modeled with but not at Jupiter or Saturn. -
Reading List
Reading List 1-8 In Library Grade Call number Author's Last name Author's First name Title Y 4 F DUB DuBois William Pene 21 Balloons, The N 8 F BUC Buchan John 39 Steps, The Y 6 F PEC Peck Richard A Season of Gifts Y 8 F DAN Dana Barbara A Voice of Her Own:Becoming Emily Dickinson Y 5 B LIN Sandburg Carl Abe Lincoln Grows Up Y RA & 3B F STE Steig William Abel's Island N 8 B LIN Daugherty James Abraham Lincoln Y 3B F DAU D'Aulaire Ingre & Edgar Abraham Lincoln Y 3B F KIN King-Smith Dick Ace, the Very Important Pig Y 7 973.6 MUR Murphy Jim Across America on an Immigrant Train Y 8 F HUN Hunt Irene Across Five Aprils Y 6 F GRA Gray Elizabeth Adam of the Road Y 6 F TWA Twain Mark Adventures of Huckleberry Finn, The N 5 398.238 COL Colum Padraic Adventures of Odysseus Y 5 398.242 PYL Pyle Howard Adventures of Robin Hood Y 6 F TWA Twain Mark Adventures of Tom Sawyer, The Y 7-8 F HEM Hemphill Helen Adventurous Deeds of Deadwood Jones, The Y 6 F ART Arthur Ruth After Candlemas Y 7-8 F CHO Choldenko Gennifer Al Capone Shines My Shoes Y 6-8 F SCO Scott Michael Alchemyst, The Y 7 F HES Hesse Karen Aleutian Sparrow Y 5 F CAR Carroll Lewis Alice's Adventures I Wonderland Y 6 F PER Perkins Lynne All Alone in the Universe Y 7 636.089 HER Herriot James All Creatures Great and Small and series Y 5 F GIF Giff Patricia Reilly All the Way Home Y 4 F EST Estes Eleanor Alley, The Reading List 1-8 In Library Grade Call number Author's Last name Author's First name Title Y 4 F TAY Taylor Sidney All-of-a Kind Family and series N 5 F SIN Singer Isaac Bashevis Alone in the Wild Forest Y 4 F DEJ DeJong Meindert Along Came a Dog Y 5 F MCK McKay Hilary Amber Cat Y 2 E PAR Parish Peggy Amelia Bedelia and series Y 8 B REV Forbes Esher America' Paul Revere Y 8 973.4 MUR Murphy Jim American Plague, The N 4 F DAL Dalgliesh Alice American Travels Y 4 F BOS Boston Lucy M. -
Man Killed, 4 Hurt As Van Crashes
m X M atawan Jo in t Free Public Lib rary h 165 M ain Street M atawan, N. J. 07747 J ^ L ■ V o l. 14 N o .37 Wednesday, August 1,1984 2 5 C e n t s Wrong turn sends vehicle onto abandoned street Man killed, 4 hurt as van crashes HAZLET Gail Demnicki, 20, remains in critical con onto Line Road, apparently heading toward to prevent further accidents at Line Road’s Police are still investigating an accident dition. She is. in the hospital’s intensive care R oute 35, police said. intersection with Lloyd Road. Line Road is a boundary between Aberdeen and Hazlet. on Line Road early Saturday in which a 22- unit. To return to Middletown, said Sgt. year-old man was killed and his four passen Renee Andersen, 20, was in fair condition Rudolph Cherney, who is investigating the Sgt. Cherney and Lt. Frank Cherney of the gers were injured, one critically. yesterday, hospital officials said, and Chris accident, Schnoor then should have followed Aberdeen Police Dept, have suggested post A van driven by Todd Schnoor, Collins Heiant, 22, and Laurie Caneal, 20, were in a bend on Line Road leading into Lloyd ing a “curve” sign addition to marking Avenue, Middletown, crashed into a mound satisfactory condition. Road. Instead, he continued to follow Line pavements on Line Road. Also, a reflective of dirt at 4:32 a.m. on an abandoned section Although Becker declined to reveal Road until he straddled a mound of dirt five metal barricade, they said, should be erect of Line Road. -
Planetary Magnetospheres
CLBE001-ESS2E November 9, 2006 17:4 100-C 25-C 50-C 75-C C+M 50-C+M C+Y 50-C+Y M+Y 50-M+Y 100-M 25-M 50-M 75-M 100-Y 25-Y 50-Y 75-Y 100-K 25-K 25-19-19 50-K 50-40-40 75-K 75-64-64 Planetary Magnetospheres Margaret Galland Kivelson University of California Los Angeles, California Fran Bagenal University of Colorado, Boulder Boulder, Colorado CHAPTER 28 1. What is a Magnetosphere? 5. Dynamics 2. Types of Magnetospheres 6. Interaction with Moons 3. Planetary Magnetic Fields 7. Conclusions 4. Magnetospheric Plasmas 1. What is a Magnetosphere? planet’s magnetic field. Moreover, unmagnetized planets in the flowing solar wind carve out cavities whose properties The term magnetosphere was coined by T. Gold in 1959 are sufficiently similar to those of true magnetospheres to al- to describe the region above the ionosphere in which the low us to include them in this discussion. Moons embedded magnetic field of the Earth controls the motions of charged in the flowing plasma of a planetary magnetosphere create particles. The magnetic field traps low-energy plasma and interaction regions resembling those that surround unmag- forms the Van Allen belts, torus-shaped regions in which netized planets. If a moon is sufficiently strongly magne- high-energy ions and electrons (tens of keV and higher) tized, it may carve out a true magnetosphere completely drift around the Earth. The control of charged particles by contained within the magnetosphere of the planet. -
Planets Days Mini-Conference (Friday August 24)
Planets Days Mini-Conference (Friday August 24) Session I : 10:30 – 12:00 10:30 The Dawn Mission: Latest Results (Christopher Russell) 10:45 Revisiting the Oort Cloud in the Age of Large Sky Surveys (Julio Fernandez) 11:00 25 years of Adaptive Optics in Planetary Astronomy, from the Direct Imaging of Asteroids to Earth-Like Exoplanets (Franck Marchis) 11:15 Exploration of the Jupiter Trojans with the Lucy Mission (Keith Noll) 11:30 The New and Unexpected Venus from Akatsuki (Javier Peralta) 11:45 Exploration of Icy Moons as Habitats (Athena Coustenis) Session II: 13:30 – 15:00 13:30 Characterizing ExOPlanet Satellite (CHEOPS): ESA's first s-class science mission (Kate Isaak) 13:45 The Habitability of Exomoons (Christopher Taylor) 14:00 Modelling the Rotation of Icy Satellites with Application to Exoplanets (Gwenael Boue) 14:15 Novel Approaches to Exoplanet Life Detection: Disequilibrium Biosignatures and Their Detectability with the James Webb Space Telescope (Joshua Krissansen-Totton) 14:30 Getting to Know Sub-Saturns and Super-Earths: High-Resolution Spectroscopy of Transiting Exoplanets (Ray Jayawardhana) 14:45 How do External Giant Planets Influence the Evolution of Compact Multi-Planet Systems? (Dong Lai) Session III: 15:30 – 18:30 15:30 Titan’s Global Geology from Cassini (Rosaly Lopes) 15:45 The Origins Space Telescope and Solar System Science (James Bauer) 16:00 Relationship Between Stellar and Solar System Organics (Sun Kwok) 16:15 Mixing of Condensible Constituents with H/He During Formation of Giant Planets (Jack Lissauer) -
National Register of Historic Places Registration Form (National Register Bulletin 16A)
9m NPS Form 10-900 OMB No. 10024-0018 (Oct. 1990) United States Department of the Interior National Park Service National Register of Historic Places / 0 Registration Form This form is for use in nominating or requesting determinations for individual properties and districtsr^e*eSti^tuctioj]S;irv How to^orplete the National Register of Historic Places Registration Form (National Register Bulletin 16A). Complete each item by marking x" 4«4ha_aBpropriate box or by entering the information requested. If an item does not apply to the property being documented, enter "N/A" for "not applicable." For functions, architectural classification, materials, and areas of significance, enter only categories and subcategories from the instructions. Place additional entries and narrative items on continuation sheets (NPS Form 10-900a). Use a typewriter, word processor, or computer, to complete all items. 1. Name of Property _____________________________________________________ historic name Buzby's General Store _____________________________________ Other names/site number Buzby's Chatsworth General Store; Chatsworth General Store; Buzby ' s 2. Location _________________________________________________________ street & number 3959 County Route 563 (First and Main streets) .Chatsworthf] not for publication city or town Woodland Township ________________________ _ _________ fj vicinity state New Jersey code 034 county Burlington cocje 005 zjp code 08019 3. State/Federal Agency Certification As the designated authority under the National Historic Preservation Act, as amended, I hereby certify that this S nomination D request for determination of eligibility meets the documentation standards for registering properties in the National Register of Historic Places and meets the procedural and professional requirements set forth in 36 CFR Part 60. In my opinion, the property S meets D does not meet the National Register criteria. -
The Kepler Revolution Observations and Satellite Inferences of the Kepler Space Telescope Will Soon Run out of Fuel and End Its Mission
VOL. 99 • NO. 10 • OCT 2018 Models That Forecast Wildfires Recording the Roar of a Hurricane Earth & Space Science News How Much Snow Is in the World? The Honors and Recognition Committee is pleased to announce the recipients of this year’s Union Medals, Awards, and Prizes honors.agu.org Earth & Space Science News Contents OCTOBER 2018 PROJECT UPDATE VOLUME 99, ISSUE 10 20 Seismic Sensors Record a Hurricane’s Roar Newly installed infrasound sensors at a Global Seismographic Network station on Puerto Rico recorded the sounds of Hurricane Maria passing overhead. PROJECT UPDATE 26 How Can We Find Out How Much Snow Is in the World? In Colorado forests, NASA scientists and a multinational team of researchers test the limits of satellite remote sensing for measuring the water content of snow. 30 OPINION Global Water Clarity: COVER 14 Continuing a Century- Long Monitoring An approach that combines field The Kepler Revolution observations and satellite inferences of The Kepler Space Telescope will soon run out of fuel and end its mission. Here are nine Secchi depth could transform how we assess fundamental discoveries about planets aided by Kepler, one for each year since its water clarity across the globe and pinpoint launch. key changes over the past century. Earth & Space Science News Eos.org // 1 Contents DEPARTMENTS Senior Vice President, Marketing, Communications, and Digital Media Dana Davis Rehm: AGU, Washington, D. C., USA; [email protected] Editors Christina M. S. Cohen Wendy S. Gordon Carol A. Stein California Institute Ecologia Consulting, Department of Earth and of Technology, Pasadena, Austin, Texas, USA; Environmental Sciences, Calif., USA; wendy@ecologiaconsulting University of Illinois at cohen@srl .caltech.edu .com Chicago, Chicago, Ill., José D. -
Developer Drops Plans for Duplex 6Th Grade Bldg. the Blue Comet
A tough year for a young SPHS baseball team. See page C-2 SOUTH PLAINFIELD Metuchen • Edison • Highland Park • Piscataway CORRESPONDENT SOUTH PLAINFIELD — Four of the 10 mathematics teachers at South Plainfield High School have resigned, citing lack of proper benefits packages as the reason for leaving. He resignations come amid the final stages of contract re negotiations between the Board INSIDE of Education and the South Briefs Developer drops Wets bus trip SOUTH PLAINFIELD — lacred Heart Church is spon- plans for duplex Bring a trip Saturday, June 24 p the New York Mets game SOUTH PLAINFIELD — An “After careful review, I have application to build two duplexes decided to withdraw my applica- (gainst the Pittsburgh Pirates on Kenneth Avenue has been tion before the board,” Massaro it Shea Stadium, withdrawn from the Zoning wrote. i The bus will leave 4:30 p.m. Board of Adjustment. If the applicant wished to rom the church parking lot on Larry Massaro, with borough return before the Board, he iandolph Avenue for the' game based Lordina Builders Inc., filed would have to file again and is ihich begins 7:10 p.m. Cost of the application with the board in within his rights to do so, as the pO includes lower loge seat November, 1999. He appeared application was withdrawn with pd a gratuity to the bus dri- before the Board at the May 16 prejudice, Muccilli said, meeting and was told by board If Massaro were to build, he officials that he would need fur- would be opening up those For reservatiqns, call the ther variances for the project, streets to future construction, rish center at (908) 756- which would be across the street The borough’s position is that 33, Ext. -
Does Enceladus Govern Magnetospheric Dynamics at Saturn?
SPECIALSECTION evidence for plate tectonics? Where are the References and Notes E. D. Miner, M. S. Matthews, Eds. (Univ. of Arizona Press, plumes_ vents, where are the plumes_ sources 1. C. C. Porco et al., Science 311, 1393 (2006). Tucson, 1991), p. 410. 18. J. S. Kargel, S. Pozio, Icarus 119, 385 (1996). in the interior, and how are they driven? Does 2. C. J. Hansen et al., Science 311, 1422 (2006). 3. F. Spahn et al., Science 311, 1416 (2006). 19. B. A. Smith et al., Science 215, 504 (1982). Enceladus host hydrated salts or acids, such as 4. J. H. Waite Jr. et al., Science 311, 1419 (2006). 20. J. B. Plescia, J. M. Boyce, Nature 301, 666 (1983). those found on Europa (15, 16)? Where is the 5. J. R. Spencer et al., Science 311, 1401 (2006). 21. S. W. Squyres, R. T. Reynolds, P. M. Cassen, Icarus 53, 319 ammonia, or is it truly absent? Is there a briny 6. R. H. Brown et al., Science 311, 1425 (2006). (1983). 22. R. G. Ross, J. S. Kargel, in Solar System Ices, C. de Bergh, _ 7. M. K. Dougherty, Science 311, 1406 (2006). ocean, such as Europa s and other Galilean M. Festou, B. Schmitt, Eds. (Kluwer, Dordrecht, 8. G. H. Jones et al., Science 311, 1412 (2006). satellites_ (13–15)? Netherlands, 1998), p. 33. 9. R. L. Tokar et al., Science 311, 1409 (2006). If a wet domain exists at the bottom of 23. O. Prieto, J. S. Kargel, Lunar Planet. Sci. XXXIII, abstract 10. -
Discover NASA
SPACE SCIENCE INSTITUTE NEWSLETTER WINTER 2016 W Space Science Institute Newsletter THE CARINA NEBULA IMAGE CREDIT: NASA, ESA/ STSCI IN THIS ISSUE NCIL News… Big News in Astronomy Conference Highlights: Clouds Over Martian DPS, AGU and AAS Low Latitudes! By Dr. Karly Pitman, Executive Director Submitted by Dr. Todd Clancy – SSI NC While the rest of the world is Over the past two slowing down around the holidays, decades, the our scientists kick into high gear in importance of the winter months submitting grant clouds in Mars’ proposals, judging others’ proposals atmosphere has at review panels, and traveling to been established present results at national and through new More on Page 6… international conferences. This year, observations and Cassini Completes Final Close conference season kicked off with the modeling. A Enceladus Flyby! American Astronomical Society’s variety of cloud Division for Planetary Sciences forms reflects the (DPS) held Nov. 8-13, 2015 at the variety in Gaylord National Resort and saturation Figure 1. CRISM color Convention Center in National conditions (e.g. limb image of CO2 Harbor, MD. More on Page 10 atmospheric clouds – credit page 3. temperatures) and dynamical forcing ranging from local to global conditions. This range of behaviors spans narrow vertical pipes of uplift that force high altitude More on Page 2… perihelion (nearest to the Sun) cloud trails in the warm orbital phase of the Covering science news around Mars atmosphere, to the global low Boulder! latitude gird of the aphelion (farthest More on Page 5… from the Sun) cloud belt in the cold orbital phase of the Mars atmosphere.