class30a - Monday Nov 10 Syllabus class notes and homeworks...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Monday, Nov. 10 Syllabus, class notes, and homeworks are at: www.as.utexas.edu courses AST 301, Lacy Reading for this week: chapter 13.1, 13.2, 15 The help session this week (only) is in WEL 3.260 at 6:00 on Wednesday. (Note the unusual place and time.)
Background image of page 1

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

View Full DocumentRight Arrow Icon
Topics for this week How does the big bang theory explain Hubble’s law? How does the big bang theory explain the microwave background radiation? Describe some of the events that occurred in the first few minutes after the big bang. Describe how supernovae are used to measure the rate of expansion of the Universe in the past. Describe how matter and energy cause the expansion of the Universe to accelerate or decelerate. Do we think the Universe is finite or infinite? Do we think the Universe will eventually collapse or expand forever?
Background image of page 2
Motions of Galaxies In 1920s Vesto Slipher measured spectra of galaxies. He found that most galaxies are redshifted, that is they are moving away from us. Soon after that Edwin Hubble measured the distances to galaxies. He found that in general more distant galaxies are moving
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 10

class30a - Monday Nov 10 Syllabus class notes and homeworks...

This preview shows document pages 1 - 4. Sign up to view the full document.

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