Lecture25 - Astro Nova VISTA mirror installed (4.1m, f/1)...

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Astro Nova VISTA mirror installed (4.1m, f/1) ESO survey telescope in Chile Mercury’s orbit unstable? Perturbation by Jupiter 1% chance it will be ejected Hubble Heritage Project’s “Greatest Hits” Hubble’s 18 th anniversary today 59 colliding galaxy images http://heritage.stsci.edu/
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Final Exam Wednesday May 14 9:00 am – 10:30 am Physics Lecture Hall Closed book and notes Computer-graded multiple-choice questions Material covered: Text chapters 22 - 27 Lectures 15-27 (March 13 through May 1) Bring Student ID card and a #2 pencil Practice Exam on class web page soon
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Makeup Final Exam Monday May 12, noon – 1:30 pm SEC 203 Only for those with verified exam conflicts or Dean’s notes
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Extra Credit Submit multiple-choice questions for final exam (with 5 answer choices). Email submission preferred Deadline: 5 pm Monday, May 5 Accepted questions replace low quiz scores with perfect scores – up to 2 quizzes replaced
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Previous Lecture recombination dark ages reionization galaxy formation ages morphology collisions & mergers
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Quiz Question #1 What happened at the time of recombination? A. The universe became transparent B. The universe increased enormously in size C. The earliest stars and galaxies formed D. All of our present-day hydrogen and helium were produced E. Absolutely nothing
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Quiz Question #2 Where do galaxies and clusters form? A. in dark matter voids B. uniformly throughout the universe C. at the intersections of dark matter filaments D. where there is, by chance, a high density of luminous matter and a low density of dark matter E. At the Acme Galaxy and Cluster factory
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Lecture25 - Astro Nova VISTA mirror installed (4.1m, f/1)...

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