Astro 001 - Section 4 Prof. Fox - PowerPoint PPT Presentation

Slide1 l.jpg
Download
1 / 47

Astro 001 - Section 4 Prof. Fox. Please find a seat in front (below the separating aisle). Course Materials. Required: Interwrite Personal Response System (PRS) Lecture-Tutorials for Introductory Astronomy , by Prather, Slater, Adams & Brissenden

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

Download Presentation

Astro 001 - Section 4 Prof. Fox

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Slide1 l.jpg

Astro 001 - Section 4

Prof. Fox

Please find a seat in front (below the separating aisle)


Course materials l.jpg

Course Materials

  • Required:

    • Interwrite Personal Response System (PRS)

    • Lecture-Tutorials for Introductory Astronomy, by Prather, Slater, Adams & Brissenden

    • Edmund Scientific Sky & Planet Locator (“planisphere”)

  • Recommended and very useful:

    • Astronomy: A Beginner's Guide to the Universe by Chaisson & McMillan, Fifth Ed. (includes web access)

    • Discounted “bundles” available at the bookstore


The astronomical universe l.jpg

The Astronomical Universe

  • What’s up there, and why?

  • Earth’s place in the Solar System… Galaxy… Universe

  • Conceptual focus

  • Scientific mode of thinking and problem-solving


Course grading l.jpg

Course Grading

  • Participation

    • In class (PRS)

    • Online (Angel)

  • 11 Homeworks (Angel)

  • Two Projects

    • Spectroscopy

    • Telescopes

  • Four Exams

    • Three in-class

    • Final


Keys to success l.jpg

Keys to Success

  • Prepare for class

    • Print out lecture notes and/or slides

    • Use these to take notes

  • Attend class

    • Lectures are the basis for exams

    • Participation counts

    • Lots of review – as we go, and preparing for Exams

  • Ask questions

    • During class

    • Office hours & email

  • Prepare for Exams

    • Practice questions (book, web)

    • Participate in the Angel Discussion Forum


Course projects l.jpg

Course Projects

Evenings, Mon-Thu

  • Spectroscopy

    • Open for one week, Feb 4-12

    • Classroom activity + Exploration of downtown

  • Telescopes

    • Open to all from Jan 22 to Feb 14

    • Afterwards: Open according to last names

    • Complete by the end of the period defined by your last name

Rooftop observing


Astronomy diagnostic test l.jpg

Astronomy Diagnostic Test

  • Take this week via Angel

  • 40 minutes, timed

  • Taking the test is part of your grade (Participation)

  • Score does not matter but you must attempt all questions

  • Due by Thursday’s Lecture

  • “Next” to get next question

  • “Submit” only at the very end

This is not a hint!


Discussion forums l.jpg

Discussion Forums

  • Set up on Angel

  • NYT Science Times

    • Discuss astronomy news and features from the New York Times (each Tuesday)

    • Also discussed in-class each Tuesday

  • Exam Review

    • Ask and answer questions about exam material to prepare for tests

  • Points for participation

NYT Science Times


Structure of course l.jpg

STRUCTURE OF COURSE

Visual and Historical Astronomy


History of astronomy l.jpg

HISTORY OF ASTRONOMY


Structure of course11 l.jpg

STRUCTURE OF COURSE

Visual and Historical Astronomy

Gravity


Gravity l.jpg

GRAVITY


Structure of course13 l.jpg

STRUCTURE OF COURSE

Gravity

Light


Light l.jpg

LIGHT


Structure of course15 l.jpg

STRUCTURE OF COURSE

Solar System

Gravity

Light


The solar system l.jpg

THE SOLAR SYSTEM


Structure of course17 l.jpg

STRUCTURE OF COURSE

Stars

Solar System

Gravity

Light


Stars l.jpg

STARS


Structure of course19 l.jpg

STRUCTURE OF COURSE

Milky Way

Stars

Solar System

Gravity

Light


The milky way l.jpg

THE MILKY WAY


Structure of course21 l.jpg

STRUCTURE OF COURSE

Milky Way

Galaxies

Stars

Solar System

Gravity

Light


Galaxies l.jpg

GALAXIES


Structure of course23 l.jpg

STRUCTURE OF COURSE

Universe

Galaxies

Stars

Solar System

Gravity

Light


The universe l.jpg

THE UNIVERSE


Slide25 l.jpg

Life

Universe

Galaxies

Stars

Solar System

Gravity

Light


Life in the universe l.jpg

LIFE IN THE UNIVERSE


Space is big really big the hitchhiker s guide to the galaxy l.jpg

“Space is big. Really big.”— The Hitchhiker’s Guide to the Galaxy


Slide28 l.jpg

The Cosmic Calendar

See also: Southwest stairwell in Davey Lab (begin on Floor 5)


Cosmic countdown l.jpg

Cosmic Countdown

  • The “Cosmic Year” encloses the history of the Universe in a single year

  • 13.7 billion : 1 compression

  • Divides into 31 million “Cosmic Seconds”

  • One “Cosmic Second” corresponds to 442 years

  • Counting backwards, then…


0s 2008 c e l.jpg

0s: 2008 C.E.

2008 Presidential candidates Hillary Clinton & Barack Obama


1s 1565 c e l.jpg

1s: 1565 C.E.

Spanish conquest of the Incan Empire, 1541 CE


2s 1123 c e l.jpg

2s: 1123 C.E.

Norman conquest of 1066 CE – Bayeaux Tapestry


3s 681 c e l.jpg

3s: 681 C.E.

Birth & Rise of Islam – 632 (red) to 661 (pink) to 750 CE (yellow)


4s 239 c e l.jpg

4s: 239 C.E.

“Three Kingdoms City” in Wuxi, China, 222-263 CE

Palace of Diocletian, Roman Emperor from 284–305 CE


5s 203 b c e l.jpg

5s: 203 B.C.E.

Hannibal crossing the Alps in 202 BCE, by Henri Paul Motte


6s 645 b c e l.jpg

6s: 645 B.C.E.

King Assurbanipal of Assyria founded the world’s first library at Nineveh, ca. 650 BCE


7s 1087 b c e l.jpg

7s: 1087 B.C.E.

Kings Saul and David (1006–965 BCE) rule over the Israelites


8s 1529 b c e l.jpg

8s: 1529 B.C.E.

Shang Dynasty (ca. 1600–1046 BCE) artifacts from China


9s 1971 b c e l.jpg

9s: 1971 B.C.E.

Pharaohs Amenemhet I (1991–1962 BCE; pyramid and tomb) and Senusret I (1971–1976 BCE; bust) of the 12th Dynasty


10s 2413 b c e l.jpg

10s: 2413 B.C.E.

The Great Pyramid, completed ca. 2560 BCE during the 4th Dynasty


15s 4623 b c e l.jpg

15s: 4623 B.C.E.

  • First systems of writing and proto-writing

  • First states and cities

  • Dawn of civilization

The Tartaria tablets, ca. 5500 BCE


Next year 13 7b years ago l.jpg

Next year: 13.7b years ago

  • Big Bang!

    (We end at the beginning)

    (Formation of the Earth in about 4 months)


Large numbers l.jpg

Large Numbers

Any number that you can add 1 billion to without noticing.

  • Age of Universe: 13.7 billion years, or 1017 seconds

  • Neurons in human brain: 100 billion

  • Synapses in human brain: 150 trillion

  • Protons in the Visible Universe: 1054

  • Proton volumes in the Visible Universe: 1089


Large numbers44 l.jpg

Large Numbers

Recall:

1054 = 1,000,000,000,000,000,000,

000,000,000,000,000,000,

000,000,000,000,000,000

… and so forth


Large numbers45 l.jpg

Large Numbers

Recall:

1054 = 1,000,000,000,000,000,000,

000,000,000,000,000,000,

000,000,001,000,000,000

… and so forth


More large numbers l.jpg

More Large Numbers

  • Lifetime of M-dwarf star on the main sequence: 1012 years

  • Death of the Milky Way’s last stars: 1014 years

  • Proton decay timescale: More than 1035 years (Super-K)

  • Doubling times during the epoch of Cosmic Inflation: ~1012 (Linde)

Planet orbiting an M-dwarf star


Space is big really big the hitchhiker s guide to the galaxy47 l.jpg

“Space is big. Really big.”— The Hitchhiker’s Guide to the Galaxy


  • Login