PPT-The Cosmological Distance Ladder

Overlapping rungs Earth EarthMars Earths orbit Parallax Spectral Parallax RR Lyrae variables Cepheid variables Type I Supernovae Type II Supernovae Galaxy brightness Measuring Earth Geometry. Lecture 4: The extragalactic distance scale. Prof.. . Dr.. M. Baes (. UGent. ). Prof.. . Dr.. C. . Waelkens. (KUL). Academic year 2015-2016. The expanding Universe. One of the most important cosmological discoveries: . Nipigon District Memorial Hospital . Types of Ladders. There are common causes for incidents involving ladders.. Ladders were not held, tied off or otherwise secured. Ladders had poor footing or were placed at improper angles. Agenda. Awareness/Statistics. General Condition. Duty Rating. Proper Use . Proper Ladder Length. Awareness/Statistics. Did You Know?. 4,609 . fatal work . incidents in 2011. 666 . were the result . of a falls, slips, or . by. Dr. Amin Danial Asham. References. Programmable . Controllers-Theory and Implementation, 2nd Edition, L.A. Bryan and E.A. Bryan . The . ladder languages available in PLCs can be . divided into . two groups:. Ladders Can take you…. To great heights or on a quick trip to the ground.. Ladder Hazards. Improper set up. Broken parts. Worn treads. Overload. Improper use. Wrong type. Over-reaching. Types of ladders. How far and fast can you fall?. At Time (Seconds). Distance of Fall (Feet). 0.5. 4. 1.0. 16. 1.5. 36. 2.0. 64. 2.5. 100. 3.0. 144. 4.0. 256. What is fall protection? . Fall protection is a system designed to protect personnel from the risk of falls when working at elevated heights . Learning Objectives . After completing this lesson, you will . be able to. …. Explain what to do before using a ladder. Discuss how to use a ladder safely . Discuss ways of setting up a ladder. Explain how to care for a ladder. Session Objectives. Recognize the importance of ladder safety. Identify common causes of ladder accidents. Select and inspect ladders correctly. Set up ladders properly. Climb and work on ladders safely. The “. Cosmic Distance Ladder. ”. Visual. “. Parallax. ”. “. Binocular. Vision”…. Let’s us “see” 3D images . (depth). …but, how to do this to get . Astronomical Distances. ?. “. Before starting a task, you should always carry out a ‘pre-use’ check to spot any obvious visual defects to make sure the ladder is safe to use. . A pre-use check should be carried out: . Check the stiles . Lecture 1. Josh . Frieman. I Jayme . Tiomno. School of Cosmology, Rio de Janeiro, Brazil. July 2010. Hoje. I. Cosmology Review. II. Observables: Age, Distances. III. Type . Ia. Supernovae as . Standardizable. 80HDGHotDipGalvanisedPGPre-GalvanisedSSEGElectroGalvanisedALU 1. 2. WHY. ?. Falls in the Workplace. 3. 1 in 6 of lost-time work injuries are a result of slips, trips and falls. 25% of all accidents are falls from elevated positions. 60% of these are from . less than 3 metres. th. January 2021. The BGA Ladder. Why do. it?. The Start, . Turnpoints. & Finish. S. hape & Speed. The JEDI Ladder. Declared & undeclared Tasks. The Ladder and using “. Glana. ” . Why Do it?.