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Perhaps the most common question that a child asks when he or she sees the night sky from a dark site for the first time is: 'How many stars are there?' This happens to be a question which has exercised the intellectual skills of many astronomers over the course of most of the last century, including, for the last two decades, one of the authors of this text. Until recently, the most accurate answer was 'We are not certain, but there is a good chance that almost all of them are M dwarfs. ' Within the last three years, results from new sky-surveys - particularly the first deep surveys at near infrared wavelengths - have provided a breakthrough in this subject, solidifying our census of the lo...
Astrobiology is one of the hottest areas of current research, reflecting not only impressive advances in the understanding of the origin of life but also the discovery of over 100 extrasolar planets in recent years. This volume is based on a meeting held in 2002 at the Space Telescope Science Institute, which aimed to lay the astrophysical groundwork for locating habitable places in the Universe. Written by leading scientists in the field, it covers a range of topics relevant to the search for life in the Universe, including: cosmology and its implications for the emergence of life, the habitable zone in the Milky Way Galaxy, the formation of stars and planets, the study of interstellar and interplanetary matter, searches for extrasolar planets, the synthesis of organic material in space, and spectroscopic signatures that could be used to detect life. This is an invaluable resource for both professional researchers and graduate students.
Theideatocelebrate50yearsoftheSalpeterIMFoccurredduringtherecent IAU General Assembly in Sydney, Australia. Indeed, it was from Australia that in July 1954 Ed Salpeter submitted his famous paper "The Luminosity Function and Stellar Evolution" with the rst derivation of the empirical stellar IMF. This contribution was to become one of the most famous astrophysics papers of the last 50 years. Here, Ed Salpeter introduced the terms "original mass function" and "original luminosity function", and estimated the pro- bility for the creation of stars of given mass at a particular time, now known as the "Salpeter Initial Mass Function", or IMF. The paper was written at the Australian National Univer...
Art on a Journey It started with an idea Darren Di Lieto had: Challenge illustrators and designers to create works of art on packages, envelopes and postcards - then actually send them to him through the mail. The response was overwhelming, and Di Lieto posted photos of each piece of art on MailMeArt.com , so people the world over could follow the art on its journey from artist to post office to computer screen. The images are preserved in this book to inspire you as well. Inside, discover: 200 of the best pieces of mail art from the project, showcasing the variety and depth of the international illustration community. Interviews with 17 of the artists - including Jon Burgerman, Dan May, Kristian Olson, Michael Slack, Catalina Estrada and Jeff Miracola - that give insight into the work and the spirit of the project. Darren Di Lieto's firsthand experience of the challenges and joys of organizing this worldwide project, from storing the mail art to the daily anticipation of art in the mailbox. Mail Me Art began with an idea. It became a community. But it doesn't end there. Open this book, experience the array of mail art illustration, and become part of the journey.
This book is a study of the plays, performances and writings of Christina Reid. It explores Reid’s work through her own words, both in interviews and writings; through theoretical engagements in other disciplines, such as psychology and geography; and through responses to her plays in production. It is a compilation of sorts, gathering together interviews, critical material, unpublished works and theatrical reviews to reflect the breadth and depth of Reid’s contribution to the theatrical culture of Northern Ireland, during the Troubles and beyond.
If you want to understand the invisible, look careful at the visible. The Talmud A 'bird's eye' or rather a distant spacecraft's view of the solar system reveals an assembly of planets, terrestrial, giant and Pluto. The orbital motions are in the same sense, counter clockwise, as seen from the north of the general flattened space within which the planetary motions are confined. This state of affairs is corevolving and, more or less, coplanar. The rotations are in the same sense as the revolutions, with the strikiiig exception of Uranus whose sense of rotation is perpendicular to its plane of revolution. As time goes by, most of the planets remain fairly close to a general plane and at no time stray unduly far from it; they remain confined within a rather narrow box or disk with a large 'equatorial' extent. The most distant planet, Pluto, requires a diameter of some 80 astronomical units for the disk. One astronomical unit is the distance of the Earth to the Sun, to be more precise the length of half the major axis of the Earth's slightly elliptical orbit around the Sun, and amounts to nearly 149600000 km.
This guide provides a step-by-step approach to using fixed IP wireless with VPNs (Virtual Private Networks) and WLANs (Wireless LANS). The book also provides vendor coverage to help readers identify the solutions they should consider including Cisco, Lucnet and Nortel. It also discusses the IP protocol, why its important, and implementation using fixed IP wireless.
This is the first collection of review articles in one volume covering the very latest developments in exoplanet research. This edited, multi-author volume will be an invaluable introduction and reference to all key aspects in the field this field. The reviews cover topics such as the properties of known exoplanets and searching for exoplanets in the stellar graveyard. The book provides an easily accessible point of reference in a fast moving and exciting field.
'Protostars and Planets V' builds on the latest results from recent advances in ground and space-based astronomy and in numerical computing techniques to offer the most detailed and up-to-date picture of star and planet formation - including the formation and early evolution of our own solar system.
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