'100 mpc' presentation slideshows

Salient Features of the Universe

440 views • 31 slides

Astrometry and the expansion of the universe

Astrometry and the expansion of the universe. Michael Soffel & Sergei Klioner TU Dresden. Fundamental object for astrometry: metric tensor g. ??. IAU -2000 Resolutions: BCRS (t, x ) with metric tensor. BCRS-metric is asymptotically flat; ignores cosmological effects,

391 views • 25 slides

Local Void vs Dark Energy

Local Void vs Dark Energy. Tirthabir Biswas IGC, Penn-State University with A Notari and R Mansouri, astro-ph/0606703 with A Notari, astro-ph/0702555 with A Notari, S Alexander & D Vaid, arXiv:0712.0370. Puzzles of Dark Energy. Smallness Problem Coincidence or Why now Problem

197 views • 19 slides

Visualizations of the 6dF Galaxy Survey

321 views • 17 slides

Announcements

Announcements. No office hours with Prof. Steinmetz. Lecture 9 Background: Measuring Distances in Astronomy II. Standard Rulers: Size = Distance x q (angle on sky) Need to know the real size of the object. Standard Candles: L apparent = L absolute / D 2

269 views • 17 slides

Local Void vs Dark Energy

Local Void vs Dark Energy. Tirthabir Biswas IGC, Penn-State University with A Notari and R Mansouri, astro-ph/0606703 with A Notari, astro-ph/0702555 with A Notari, S Alexander & D Vaid, arXiv:0712.0370. Puzzles of Dark Energy. Smallness Problem Coincidence or Why now Problem

245 views • 13 slides