day_19 - Exam 3 This Friday October 22 Review Sheet posted...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: October 18, 2010 Exam 3 This Friday, October 22. Review Sheet posted today. Review Thursday, 5 – 6 PM room TBD Reading Chapter 7, Chapter 8 - Sections 8.1, 8.2, 8.5, 8.6, 8.10, Chapter 9: 9.1 – 9.5.1 Astronomy in the News? Betelgeuse still has not blown up. Pic of the Day – Solar prominance Add to Sky Watch New Soft Gamma-ray repeater outburst, March 2010, SGR 1833--0832, in direction of Sagittarius, center of Milky Way, is a magnetar with a “pulsar” spin period of 7.56 seconds. Recurrent Nova outburst, V407 Cygni, Frst ever seen in a binary system with a Red Giant and White Dwarf. Possible precursor to a Type Ia supernova. Goals: To understand how Einstein taught us to think about space, time, and gravity. To understand what we mean by space. To understand how space can be curved. Gravity Still a deep mystery. Objects of different mass fall with the same acceleration. Explore how Einstein taught us to think about gravity: no f orce of gravity , but the effect of curved space . Straight line on a curved surface, possible or an oxymoron? Euclidian - Flat Space Geometry // C=2 π r ∑ =180 ° never cross Answers only good in fat space : operational defnition o¡ ¢at space NOT necessarily two-dimensional!...
View Full Document

This note was uploaded on 10/23/2010 for the course AST 47700 taught by Professor Wheeler during the Fall '10 term at University of Texas.

Page1 / 17

day_19 - Exam 3 This Friday October 22 Review Sheet posted...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online