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Introduction to active galaxies
Science, Maths & Technology

Introduction to active galaxies

...careful when talking about 'the size' of an AGN. Question 7 An AGN at 50 Mpc appears smaller than 0.1 arcsec in an optical observation made by the Hubble Space Telescope, and shows variability on a timescale of one week. Calculate the upper limit placed on its size by (a) the angular diameter observation, and (b) the variability observation. Answer (a) An angular size...
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Level 2: Intermediate 20 hrs
Understanding musical scores
History & The Arts

Understanding musical scores

...careful attention to rhythm patterns and speed. Activity 1 Different elements of the music are outlined in Figure 5. Take some coloured pencils and mark these elements up as if you were a conductor, perhaps identifying the instrument groups with colours, marking instructions for dynamics with a specific colour (blue, for example, as seen in Figure 5), and marking the most...
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Level 1: Introductory 12 hrs
Cefnogi datblygiad plant
Education & Development

Cefnogi datblygiad plant

...care practices anteceding three patterns of preschool behavior’, Genetic Psychology Monographs, cyf. 75, tt. 43–88. CliffsNotes (2015) Piaget’s Model of Cognitive Development [ar-lein]. Ar gael yn http://www.cliffsnotes.com/ study-guides/ sociology/ socialization/ piagets-model-of-cognitive-development (cyrchwyd 29 Ionawr 2016]) Cole, M. (1998) ‘Culture in...
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Level 1: Introductory 15 hrs
Moons of our Solar System Badge icon
Science, Maths & Technology

Moons of our Solar System

...careful when you hear someone talking of ‘ice’ in the Solar System; they do not necessarily mean just frozen water. Generally, a moon’s composition is related to where in the Solar System it formed and how far it is from the primary planet. The moons that formed within accretionary discs around planets show a grading of density and ice : rock ratio. This can be seen...
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Level 1: Introductory 24 hrs
Understanding and managing risk
Money & Business

Understanding and managing risk

...careful management. What we do certainly know – given the recent catalogue of high-profile financial calamities – is that the failure to manage risks can have devastating and, on occasion, terminal outcomes for organisations...Understanding and managing risk: Glossary - * beta The beta of a share is a measure of its risk relative to the market as a whole (or its...
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Level 3: Advanced 20 hrs
An appreciative approach to inquiry
Education & Development

An appreciative approach to inquiry

...adults in a circle on a stage Now set a five-minute timer and use the image and your initial reflections as a stimulus for a piece of free writing. Remember to write continuously, not solely describing the image, but using it as a starting point to tell a story of your own. At this stage, we are freeing up our thinking so let your writing take you in whatever direction it...
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Level 3: Advanced 12 hrs
Risk management Badge icon
Money & Business

Risk management

...Care should be taken, however, where there is a small number of risks, where the risks are inter-related and where there is a number of large, but unlikely risks. Like most risk modelling it is recommended that you engage an expert. It should be remembered that as with all calculations, these models are only as good as their inputs. Moreover calculations, if assumptions...
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Level 1: Introductory 24 hrs
Empires: power, resistance, legacies
History & The Arts

Empires: power, resistance, legacies

...caring responsibilities emotionally bind them to their place of enslavement? Did they just not have the same kinds of opportunities to abscond because of the nature of their work?...Session 3: Resistance: 3 ‘Women who struggle’: decolonisation and the Algerian War, 1954–62 - The French invaded Algeria in 1830. They expanded their presence, culminating in the...
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Level 1: Introductory 8 hrs