You have seen that the ISM has been studied through the radiation that the gas and dust absorb, emit and scatter. Figure 15 summarizes the differences between these three phenomena.

Let's first consider the three phenomena in relation to the gas. The gas scatters very little light and so we need only consider absorption and emission of radiation. You have already met absorption and emission of photons by atoms (which we shall call photoexcitation and photoemissio
Author(s): The Open University

Tasting menu: Audio highlights from the May 5th 2018 edition

Despite euphoria about the Korean summit, global arms control is unravelling. Historian John Lewis Gaddis assesses whether there might be order in Donald Trump's chaos. And a glimpse of the first neighbourhood built "from the internet up". Rob Gifford hosts

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Introduction to Inertia and Inertial Mass
Before you can start learning about Forces and Newton’s Laws of Motion, you need to understand inertia and mass.  This video defines both and more specifically inertial mass.

Content Times:
0:13 Defining inertia
1:04 Demonstrating inertia
1:26 Defining inertial mass
2:17 Marcia demonstrates the concept of inertial mass
3:06 Inertial mass not Gravitational mass
4:00 How I filmed a steel sphere moving at a constant velocity

M

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Continental Portuguese intermediate semester B
This module is aimed at students in year 2 semester B. The varied exercises cover a range of topics from Portuguese history to cooking. The transcript reader of the listening exercises allows students to identify words/passages they find difficult to understand.
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German stage 2 semester A
This module is aimed post GCSE students in semester A and addresses common grammatical problems areas. The grammar exercises are also supported by audio, so that the pronunciation is underlined and listening skills are practiced. The transcript reader of the listening exercises allows students to identify words/passages they find difficult to understand.
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Historical skills: Dating documents
This module explains the different dating conventions employed in historical documents. For example, the system of dating by reference to a religious feast day and the year of the reigning monarch has little in common with the modern calendar. Even where a recognizable date is provided, it may not be what it at first appears.... The resource includes a glossary, bibliography and translation of relevant Latin numbers/phrases. Illustrative images of items from our collections appear throughout.
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RoseLee Goldberg on Performance Art
RoseLee Goldberg South African-born world authority on performance art spoke at the Gordon Institute for Performing and Creative Arts GIPCA Great Texts Big Questions lecture on 11 March Goldberg illustrious career as art historian critic curator and author has spanned almost three decades and has helped shape the public view of live performance as a visual art form Her book Performance Art from Futurism to the Present was first published in 1979 and pioneered the study of performance art even
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Imagining the City: Memories and cultures in Cape Town
The overriding strength of this book is that it places people, ordinary people at the centre of memory at the centre of historical and contemporary experience and thus at the centre of re-imagining and owning the city of Cape Town It is as they speak what they choose to say what they choose to remain silent about that we become aware of the possibilities of the city if it really did embrace all its people in all of their diversity. From the Foreword by Mike van Graan playwright and arts activist
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Exploring Sustainability in Agriculture: An Online Sustainable Agriculture Instructional Resource
Growing interest in sustainable agriculture has generated a wealth of educational materials on the many social, environmental, and agronomic topics related to this expanding field. In creating this online resource, weâ€™ve reviewed hundreds of resourcesâ€”textbooks, popular books, web sites, videos, PowerPoint presentations, and moreâ€”to identify the highest-quality and most relevant materials on sustainable agriculture available. Whether youâ€™re teaching a 2-hour community gardening workshop
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Remixing Ã‡ATALHÃ–YÃœK
REMIXING Ã‡ATALHÃ–YÃœK For more than a decade, archaeologists and scholars have gathered in central Turkey to explore the remains of the 9,000-year-old village of Ã‡atalhÃ¶yÃ¼k. First excavated in the 1960s, Ã‡atalhÃ¶yÃ¼k became world-famous for its dense architecture and spectacular wall decorations. Between 1997 and 2003, a team from the University of California Berkeley worked intensively on one building there, bringing to light the life history of a Neolithic home. Remixing Ã‡atalhÃ¶yÃ¼k fea
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The ENCOUNTERS teachers' guide offers an alternative to a textbook on Arizona. It has more information, resources and activities than we, as teachers, could hope to use in any given year. In addition, the "Encounters Box," which is available in local school libraries, supplements the guide with other ...
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