Lec15 - Assignments • For Monday, Oct. 10 do written HW...

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Unformatted text preview: Assignments • For Monday, Oct. 10 do written HW #3 • Fri. Oct. 14: MidTerm1 – 36-38 Multiple choice (~75%) – 5-6 Short answer problems (~25%) Extra Credit Option • Details given at: http://www.bartol.udel.edu/~owocki/phys133/Honors-ECO-Project-Rules.rtf • Credit weighted toward struggling students – EC Pts = RawScore*(100-PrelimGrade)/30 – RawScore up to 10 for an exceptional project • Dates: – Mon. exam (Oct. 17): “Letter of Intent” email – Full page outline due by email Mon. Oct. 24 – Project due date: Mon. Nov. 28 • Be creative; have fun! Two Fundamental Properties of a Telescope 1. Resolution • smallest angle that can be seen • a = 1.2 λ / D (in radians=180/ π o ) 2. Light-Collecting Area • think of the telescope as a “photon bucket” • its area: A = π (D/2) 2 Interferometry • Two (or more) radio dishes observe same object. • Signals are made to interfere • Reconstruct image with angular resolution of single dish with size of distance between them. • Light-collecting area still only sum of individual dish areas. Very Large Array (VLA) VLT (Very Large Telescope) E uropean S outhern O bservatory Paranal Moutain, Chile 9. Formation of the Solar System George Lemaître (1894 – 1966) Astronomer and Catholic Priest The evolution of the world may be compared to a display of fireworks that has just ended: some few red wisps, ashes, and smoke. Standing on a cool cinder, we see the slow fading of the suns, and we try to recall the vanished brilliance of the origin of the worlds. The Layout of the Solar System • Pl...
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This note was uploaded on 02/01/2012 for the course PHYS 133 taught by Professor Staff during the Fall '08 term at University of Delaware.

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Lec15 - Assignments • For Monday, Oct. 10 do written HW...

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