Antipodes: in Search of the Southern Continent Is a New History of an Ancient Geography
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Meteorites on Mars Observed with the Mars Exploration Rovers C
JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 113, E06S22, doi:10.1029/2007JE002990, 2008 Meteorites on Mars observed with the Mars Exploration Rovers C. Schro¨der,1 D. S. Rodionov,2,3 T. J. McCoy,4 B. L. Jolliff,5 R. Gellert,6 L. R. Nittler,7 W. H. Farrand,8 J. R. Johnson,9 S. W. Ruff,10 J. W. Ashley,10 D. W. Mittlefehldt,1 K. E. Herkenhoff,9 I. Fleischer,2 A. F. C. Haldemann,11 G. Klingelho¨fer,2 D. W. Ming,1 R. V. Morris,1 P. A. de Souza Jr.,12 S. W. Squyres,13 C. Weitz,14 A. S. Yen,15 J. Zipfel,16 and T. Economou17 Received 14 August 2007; revised 9 November 2007; accepted 21 December 2007; published 18 April 2008. [1] Reduced weathering rates due to the lack of liquid water and significantly greater typical surface ages should result in a higher density of meteorites on the surface of Mars compared to Earth. Several meteorites were identified among the rocks investigated during Opportunity’s traverse across the sandy Meridiani plains. Heat Shield Rock is a IAB iron meteorite and has been officially recognized as ‘‘Meridiani Planum.’’ Barberton is olivine-rich and contains metallic Fe in the form of kamacite, suggesting a meteoritic origin. It is chemically most consistent with a mesosiderite silicate clast. Santa Catarina is a brecciated rock with a chemical and mineralogical composition similar to Barberton. Barberton, Santa Catarina, and cobbles adjacent to Santa Catarina may be part of a strewn field. Spirit observed two probable iron meteorites from its Winter Haven location in the Columbia Hills in Gusev Crater. -
"AUSTRALIA and HER NAVIGATORS" [By the President, COMMANDER NORMAN S
78 PRESIDENTIAL ADDRESS "AUSTRALIA AND HER NAVIGATORS" [By the President, COMMANDER NORMAN S. PIXLEY, C.M.G., M.B.E., V.R.D., Kt.O.N., F.R.Hist.S.Q.] (Read at a Meeting of the Society on 24 September 1970.) Joseph Conrad in his writings, refers to "The mysteriously born traditions of seacraft, command, and unity in an occu pation in which men's lives depend on each other." Still true today, how much more was this so with the mariners of long ago, who sailed in smaU ships for thousands of lonely leagues through unknown seas, for on them alone rested the safety of the ship and all on board. Dr. Johnson wrote "No man will be a saUor who has con trivance to get himself into jaU, for being in a ship is being in a jail with the chance of being drowned." There was more than an element of truth in this, for the seaman who refused to sail could be clapped in jail; whUst THE PRESIDENT, COMMANDER NORMAN S PIXLEY 79 those who did sail faced months in a confined space with acute discomfort, severe punishment at times, and provisions and water which deteriorated as the voyage proceeded. Scurvy kiUed more than storm and shipwreck until James Cook in his first voyage proved that it could be prevented. Clothing was rarely changed, the sailor coming wet to his hammock from his watch on deck in bad weather. Rats and cockroaches lived and thrived amongst the pro visions, adding to the problems of hygiene and health. -
Abel Janszoon Tasman: a Biography Written by Grahame Anderson and Contributed to the Abel Tasman Website, October 2014
Abel Janszoon Tasman: a biography written by Grahame Anderson and contributed to the Abel Tasman website, October 2014 Grahame Anderson's major published works include: The Merchant of the Zeehaen: IsaacGilsemans and the voyages of Abel Tasman (Wellington Te Papa Press, 2001); fast light boats: a century of Kiwi innovation (Wellington, Te Papa Press, 1999); Fresh about Cook Strait: an appreciation of Wellington Harbour (Auckland, Methuen, 1984). If you have queries or comments, please contact Grahame at: [email protected] ----------- Tasman, Abel Janszoon c1603 - c1659 Commander, explorer, cartographer, merchant Born to subsistence farmers in Lutjegast the year the Dutch Republic was formed, Tasman may well have benefitted from its progressive education program. His ability to write, his knowledge of Latin, his rapid rise in rank, and the willingness of able officers to sail with him all bear witness to the quality of his education and to his command, seamanship, and navigation skills. He married his second wife Jannetje Tjaerts in Amsterdam in 1632, sailed for Batavia in 1633, and renewed his contract with the Dutch East India Company while back in the Republic in 1636. Tasman’s most well-known expedition of 1642-1643 was just one of twelve long voyages of which he was given command during his service with the Company. He began work with the VOC (Vereenigde Oostindische Compagnie), in 1634 by spending two years at sea patrolling the Moluccas as skipper of the Mocha. Though much of his time during that period involved enforcement of Company control of trade, he charted the seas between Amboyna, Banda and Ceram for the Company as he did so. -
The Commonwealth Trans-Antarctic Expedition 1955-1958
THE COMMONWEALTH TRANS-ANTARCTIC EXPEDITION 1955-1958 HOW THE CROSSING OF ANTARCTICA MOVED NEW ZEALAND TO RECOGNISE ITS ANTARCTIC HERITAGE AND TAKE AN EQUAL PLACE AMONG ANTARCTIC NATIONS A thesis submitted in fulfilment of the requirements for the Degree PhD - Doctor of Philosophy (Antarctic Studies – History) University of Canterbury Gateway Antarctica Stephen Walter Hicks 2015 Statement of Authority & Originality I certify that the work in this thesis has not been previously submitted for a degree nor has it been submitted as part of requirements for a degree except as fully acknowledged within the text. I also certify that the thesis has been written by me. Any help that I have received in my research and the preparation of the thesis itself has been acknowledged. In addition, I certify that all information sources and literature used are indicated in the thesis. Elements of material covered in Chapter 4 and 5 have been published in: Electronic version: Stephen Hicks, Bryan Storey, Philippa Mein-Smith, ‘Against All Odds: the birth of the Commonwealth Trans-Antarctic Expedition, 1955-1958’, Polar Record, Volume00,(0), pp.1-12, (2011), Cambridge University Press, 2011. Print version: Stephen Hicks, Bryan Storey, Philippa Mein-Smith, ‘Against All Odds: the birth of the Commonwealth Trans-Antarctic Expedition, 1955-1958’, Polar Record, Volume 49, Issue 1, pp. 50-61, Cambridge University Press, 2013 Signature of Candidate ________________________________ Table of Contents Foreword .................................................................................................................................. -
Struggle for North America Prepare to Read
0120_wh09MODte_ch03s3_s.fm Page 120 Monday, June 4, 2007 10:26WH09MOD_se_CH03_S03_s.fm AM Page 120 Monday, April 9, 2007 10:44 AM Step-by-Step WITNESS HISTORY AUDIO SECTION 3 Instruction 3 A Piece of the Past In 1867, a Canadian farmer of English Objectives descent was cutting logs on his property As you teach this section, keep students with his fourteen-year-old son. As they focused on the following objectives to help used their oxen to pull away a large log, a them answer the Section Focus Question piece of turf came up to reveal a round, and master core content. 3 yellow object. The elaborately engraved 3 object they found, dated 1603, was an ■ Explain why the colony of New France astrolabe that had belonged to French grew slowly. explorer Samuel de Champlain. This ■ Analyze the establishment and growth astrolabe was a piece of the story of the of the English colonies. European exploration of Canada and the A statue of Samuel de Champlain French-British rivalry that followed. ■ Understand why Europeans competed holding up an astrolabe overlooks Focus Question How did European for power in North America and how the Ottawa River in Canada (right). their struggle affected Native Ameri- Champlain’s astrolabe appears struggles for power shape the North cans. above. American continent? Struggle for North America Prepare to Read Objectives In the 1600s, France, the Netherlands, England, and Sweden Build Background Knowledge L3 • Explain why the colony of New France grew joined Spain in settling North America. North America did not Given what they know about the ancient slowly. -
Thylacinidae
FAUNA of AUSTRALIA 20. THYLACINIDAE JOAN M. DIXON 1 Thylacine–Thylacinus cynocephalus [F. Knight/ANPWS] 20. THYLACINIDAE DEFINITION AND GENERAL DESCRIPTION The single member of the family Thylacinidae, Thylacinus cynocephalus, known as the Thylacine, Tasmanian Tiger or Wolf, is a large carnivorous marsupial (Fig. 20.1). Generally sandy yellow in colour, it has 15 to 20 distinct transverse dark stripes across the back from shoulders to tail. While the large head is reminiscent of the dog and wolf, the tail is long and characteristically stiff and the legs are relatively short. Body hair is dense, short and soft, up to 15 mm in length. Body proportions are similar to those of the Tasmanian Devil, Sarcophilus harrisii, the Eastern Quoll, Dasyurus viverrinus and the Tiger Quoll, Dasyurus maculatus. The Thylacine is digitigrade. There are five digital pads on the forefoot and four on the hind foot. Figure 20.1 Thylacine, side view of the whole animal. (© ABRS)[D. Kirshner] The face is fox-like in young animals, wolf- or dog-like in adults. Hairs on the cheeks, above the eyes and base of the ears are whitish-brown. Facial vibrissae are relatively shorter, finer and fewer than in Tasmanian Devils and Quolls. The short ears are about 80 mm long, erect, rounded and covered with short fur. Sexual dimorphism occurs, adult males being larger on average. Jaws are long and powerful and the teeth number 46. In the vertebral column there are only two sacrals instead of the usual three and from 23 to 25 caudal vertebrae rather than 20 to 21. -
An Integrated Approach to the Economy of the Sea: 2020
PwC HELM Circumnavigation: An integrated approach to the economy of the sea PwC Economy of the Sea Barometer (World) January 2020 Edition nº 5 PwC Blue Economy Global Centre of Excellence pwc.pt pwc.pt HELM PwC 2 Contents Introduction 5 Into the ‘Blue’: The value of an integrated approach 9 Exclusive Economic Zones 14 Maritime transport, ports and logistics 15 Shipbuilding, maintenance and equipment 17 Offshore energy 18 Naval security power, piracy and maritime disasters (oil spills and plastic islands) 20 Fishing and aquaculture 23 Entertainment, sports, tourism and culture 25 Telecommunications 26 Blue biotechnology 27 HELM PwC 3 Introduction HELM PwC 5 HELM PwC 6 Introduction The seas have always been one of mankind's biggest and most significant natural resources. In the past, primarily for food, shipbuilding, transport, and naval defences; more recently for oil and gas, and tourism; and now, increasingly, for 'blue' biotechnology, robotics, seabed mining, and renewable energy. It's no surprise, then, that coastal nations see their seas as vital national assets, and are putting an ever greater emphasis on protecting them. More countries are applying to the UN to extend their continental platform, and more companies are competing for the opportunity to explore and exploit them. The potential is as vast as the sea itself: over 70% of the planet is covered by water, and yet even now, only 5% of the seabed has been mapped and photographed. But the more industries the seas support, the more potential there is for conflict – conflict between industries, conflict between human exploitation and marine conservation, and even conflict between nations. -
Mathematical Discourse in Philosophical Authors: Examples from Theon of Smyrna and Cleomedes on Mathematical Astronomy
Mathematical discourse in philosophical authors: Examples from Theon of Smyrna and Cleomedes on mathematical astronomy Nathan Sidoli Introduction Ancient philosophers and other intellectuals often mention the work of mathematicians, al- though the latter rarely return the favor.1 The most obvious reason for this stems from the im- personal nature of mathematical discourse, which tends to eschew any discussion of personal, or lived, experience. There seems to be more at stake than this, however, because when math- ematicians do mention names they almost always belong to the small group of people who are known to us as mathematicians, or who are known to us through their mathematical works.2 In order to be accepted as a member of the group of mathematicians, one must not only have mastered various technical concepts and methods, but must also have learned how to express oneself in a stylized form of Greek prose that has often struck the uninitiated as peculiar.3 Be- cause of the specialized nature of this type of intellectual activity, in order to gain real mastery it was probably necessary to have studied it from youth, or to have had the time to apply oneself uninterruptedly.4 Hence, the private nature of ancient education meant that there were many educated individuals who had not mastered, or perhaps even been much exposed to, aspects of ancient mathematical thought and practice that we would regard as rather elementary (Cribiore 2001; Sidoli 2015). Starting from at least the late Hellenistic period, and especially during the Imperial and Late- Ancient periods, some authors sought to address this situation in a variety of different ways— such as discussing technical topics in more elementary modes, rewriting mathematical argu- ments so as to be intelligible to a broader audience, or incorporating mathematical material di- rectly into philosophical curricula. -
Discovery of Silica-Rich Deposits on Mars by the Spirit Rover
Ancient Aqueous Environments at Endeavour Crater, Mars Authors: R.E. Arvidson1, S.W. Squyres2, J.F. Bell III3, J. G. Catalano1, B.C. Clark4, L.S. Crumpler5, P.A. de Souza Jr.6, A.G. Fairén2, W.H. Farrand4, V.K. Fox1, R. Gellert7, A. Ghosh8, M.P. Golombek9, J.P. Grotzinger10, E. A. Guinness1, K. E. Herkenhoff11, B. L. Jolliff1, A. H. Knoll12, R. Li13, S.M. McLennan14,D. W. Ming15, D.W. Mittlefehldt15, J.M. Moore16, R. V. Morris15, S. L. Murchie17, T.J. Parker9, G. Paulsen18, J.W. Rice19, S.W. Ruff3, M. D. Smith20, M. J. Wolff4 Affiliations: 1 Dept. Earth and Planetary Sci., Washington University in Saint Louis, St. Louis, MO, 63130, USA. 2 Dept. Astronomy, Cornell University, Ithaca, NY, 14853, USA. 3 School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA. 4Space Science Institute, Boulder, CO 80301, USA. 5 New Mexico Museum of Natural History & Science, Albuquerque, NM 87104, USA. 6 CSIRO Computational Informatics, Hobart 7001 TAS, Australia. 7 Department of Physics, University of Guelph, Guelph, ON, N1G 2W1, Canada. 8 Tharsis Inc., Gaithersburg MD 20877, USA. 9 Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA. 10 Division of Geological and Planetary Sciences, Caltech, Pasadena, CA 91125, USA. 11 U.S. Geological Survey, Astrogeology Science Center, Flagstaff, AZ 86001, USA. 12 Botanical Museum, Harvard University, Cambridge MA 02138, USA. 13 Dept. of Civil & Env. Eng. & Geodetic Science, Ohio State University, Columbus, OH 43210, USA. 14 Dept. of Geosciences, State University of New York, Stony Brook, NY 11794, USA. -
Implementing Eratosthenes' Discovery in the Classroom: Educational
Implementing Eratosthenes’ Discovery in the Classroom: Educational Difficulties Needing Attention Nicolas Decamp, C. de Hosson To cite this version: Nicolas Decamp, C. de Hosson. Implementing Eratosthenes’ Discovery in the Classroom: Educational Difficulties Needing Attention. Science and Education, Springer Verlag, 2012, 21 (6), pp.911-920. 10.1007/s11191-010-9286-3. hal-01663445 HAL Id: hal-01663445 https://hal.archives-ouvertes.fr/hal-01663445 Submitted on 18 Dec 2017 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Sci & Educ DOI 10.1007/s11191-010-9286-3 Implementing Eratosthenes’ Discovery in the Classroom: Educational Difficulties Needing Attention Nicolas De´camp • Ce´cile de Hosson Ó Springer Science+Business Media B.V. 2010 Abstract This paper presents a critical analysis of the accepted educational use of the method performed by Eratosthenes to measure the circumference of Earth which is often considered as a relevant means of dealing with issues related to the nature of science and its history. This method relies on a number of assumptions among which the parallelism of sun rays. The assumption of sun rays parallelism (if it is accurate) does not appear spontaneous for students who consider sun rays to be divergent. -
Howard J. Garber Letter Collection This Collection Was the Gift of Howard J
Howard J. Garber Letter Collection This collection was the gift of Howard J. Garber to Case Western Reserve University from 1979 to 1993. Dr. Howard Garber, who donated the materials in the Howard J. Garber Manuscript Collection, is a former Clevelander and alumnus of Case Western Reserve University. Between 1979 and 1993, Dr. Garber donated over 2,000 autograph letters, documents and books to the Department of Special Collections. Dr. Garber's interest in history, particularly British royalty led to his affinity for collecting manuscripts. The collection focuses primarily on political, historical and literary figures in Great Britain and includes signatures of all the Prime Ministers and First Lords of the Treasury. Many interesting items can be found in the collection, including letters from Elizabeth Barrett Browning and Robert Browning Thomas Hardy, Queen Victoria, Prince Albert, King George III, and Virginia Woolf. Descriptions of the Garber Collection books containing autographs and tipped-in letters can be found in the online catalog. Box 1 [oversize location noted in description] Abbott, Charles (1762-1832) English Jurist. • ALS, 1 p., n.d., n.p., to ? A'Beckett, Gilbert A. (1811-1856) Comic Writer. • ALS, 3p., April 7, 1848, Mount Temple, to Morris Barnett. Abercrombie, Lascelles. (1881-1938) Poet and Literary Critic. • A.L.S., 1 p., March 5, n.y., Sheffield, to M----? & Hughes. Aberdeen, George Hamilton Gordon (1784-1860) British Prime Minister. • ALS, 1 p., June 8, 1827, n.p., to Augustous John Fischer. • ANS, 1 p., August 9, 1839, n.p., to Mr. Wright. • ALS, 1 p., January 10, 1853, London, to Cosmos Innes. -
Seacare Authority Exemption
EXEMPTION 1—SCHEDULE 1 Official IMO Year of Ship Name Length Type Number Number Completion 1 GIANT LEAP 861091 13.30 2013 Yacht 1209 856291 35.11 1996 Barge 2 DREAM 860926 11.97 2007 Catamaran 2 ITCHY FEET 862427 12.58 2019 Catamaran 2 LITTLE MISSES 862893 11.55 2000 857725 30.75 1988 Passenger vessel 2001 852712 8702783 30.45 1986 Ferry 2ABREAST 859329 10.00 1990 Catamaran Pleasure Yacht 2GETHER II 859399 13.10 2008 Catamaran Pleasure Yacht 2-KAN 853537 16.10 1989 Launch 2ND HOME 856480 10.90 1996 Launch 2XS 859949 14.25 2002 Catamaran 34 SOUTH 857212 24.33 2002 Fishing 35 TONNER 861075 9714135 32.50 2014 Barge 38 SOUTH 861432 11.55 1999 Catamaran 55 NORD 860974 14.24 1990 Pleasure craft 79 199188 9.54 1935 Yacht 82 YACHT 860131 26.00 2004 Motor Yacht 83 862656 52.50 1999 Work Boat 84 862655 52.50 2000 Work Boat A BIT OF ATTITUDE 859982 16.20 2010 Yacht A COCONUT 862582 13.10 1988 Yacht A L ROBB 859526 23.95 2010 Ferry A MORNING SONG 862292 13.09 2003 Pleasure craft A P RECOVERY 857439 51.50 1977 Crane/derrick barge A QUOLL 856542 11.00 1998 Yacht A ROOM WITH A VIEW 855032 16.02 1994 Pleasure A SOJOURN 861968 15.32 2008 Pleasure craft A VOS SANTE 858856 13.00 2003 Catamaran Pleasure Yacht A Y BALAMARA 343939 9.91 1969 Yacht A.L.S.T. JAMAEKA PEARL 854831 15.24 1972 Yacht A.M.S. 1808 862294 54.86 2018 Barge A.M.S.