'Very long baseline interferometry' presentation slideshows

Astronomy 101

Astronomy 101. 1. Where we are in the Universe. 2. Motions on the sky. Milky Way Galaxy. 25,000 light years, Or ~ 8 kpc. 200 billion stars. Galactic year = 225 million yr Our sun is 4.6 billion yr old. 1 pc = 3.26 ly. The parallax angle p. Small-angle formula:.

1.23k views • 90 slides

What are Active Galaxies?

What are Active Galaxies?. Active galaxies have an energy source beyond what can be attributed to stars. The energy is believed to originate from accretion onto a supermassive blackhole .

982 views • 76 slides

Plate Tectonics: A Scientific Revolution Unfolds Chapter 7

Plate Tectonics: A Scientific Revolution Unfolds Chapter 7. What evidence was used to support the continental drift hypothesis? What was one of the main objections to the continental drift hypothesis? What is the theory of plate tectonics?

1.01k views • 53 slides

Earth Science, 12e

Earth Science, 12e. Plate Tectonics: A Scientific Theory Unfolds Chapter 7. Continental drift: an idea before its time. Alfred Wegener First proposed hypothesis, 1915 Published The Origin of Continents and Oceans Continental drift hypothesis

462 views • 36 slides

Continental drift: an idea before its time

Continental drift: an idea before its time . Alfred Wegener First proposed hypothesis, 1915 Published The Origin of Continents and Oceans Continental drift hypothesis Supercontinent called Pangaea began breaking apart about 200 million years ago

744 views • 35 slides

Astronomy Instrumentation

457 views • 35 slides

Chapter 1 Introduction to Earth Science

Chapter 1 Introduction to Earth Science. Earth Science. What is Earth Science? 1.1. What forces produced the mountains shown on page 1? Why does our daily weather change? Is our climate changing? How old is Earth? How is Earth related to other planets in the solar system?

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Chapter 1 : Introduction to Earth Science

591 views • 33 slides

March 9, 2011

March 9, 2011. Special Relativity, continued. Lorentz Transformation. Transformation of angles, From formulae for transform Of velocities:. Stellar Aberration. Discovered by James Bradley in 1728 Bradley was trying to confirm a claim of the detection of stellar parallax,

521 views • 32 slides

Chapter 1 : Introduction to Earth Science

505 views • 32 slides

Internet2: Advanced Network Applications and Technologies Tibor Gyires School of Information Technology Illinois State

Internet2: Advanced Network Applications and Technologies Tibor Gyires School of Information Technology Illinois State University tbgyires@ilstu.edu. What is Internet2? Types of application Example applications List of projects by discipline References. 1. Internet2.

467 views • 31 slides

Interactions Between Networks, Protocols & Applications

Interactions Between Networks, Protocols & Applications. HPCN-RG. Richard Hughes-Jones OGF20, Manchester, May 2007,. ESLEA and UKLight at SC|05. Reverse TCP. ESLEA and UKLight. 6 * 1 Gbit transatlantic Ethernet layer 2 paths UKLight + NLR Disk-to-disk transfers with bbcp

385 views • 30 slides

TEIN2 Kick-Off WS AARNet

TEIN2 Kick-Off WS AARNet. AARNet3 Network Highlights. STM-64c (10Gbps) Backbone Dual STM-1 to NT & Tasmania Replacing Procket with Juniper M320 Deploying DWDM from Adelaide to Brisbane Providing multiple GigE to regional areas Rolling our backbone onto our DWDM kit

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PAERIP survey of reciprocal access to Africa/Europe research infrastructures

PAERIP survey of reciprocal access to Africa/Europe research infrastructures. Zeinab El-Sadr Ministry of Higher Education & Scientific Research, Egypt. Promoting Access to RIs. Better knowledge of what is available in Africa and Europe

314 views • 19 slides

High Energy meets Low Energy an introduction to radio interferometry

343 views • 18 slides

Things to do with Single Dish: VLBI

Things to do with Single Dish: VLBI. Outline: Interferometry 101 - Basic Concepts Very Long Baseline Interferometry (VLBI) Some Scientific Results. Tapasi Ghosh NAIC/Arecibo Observatory. Incoming radiation. t g = b . s /c. s. b . s. b. Amplifier. Correlator. Basic Concepts.

173 views • 17 slides