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A Tour of the Universe
(and selected cosmic mysteries)
Katie Mack
University of MelbourneImage:Alex Cherney www.astrokatie...
What is Cosmology?
The Big Questions
Image:Vincent van Gogh
What is Cosmology?
The Big Questions
What is Cosmology?
The Big Questions
Image:Vincent van Gogh
What is the nature of the
Universe?
What is Cosmology?
The Big Questions
What is Cosmology?
The Big Questions
Image:Vincen...
What is the nature of the
Universe?
What are its major
components?
What is Cosmology?
The Big Questions
What is Cosmology?...
What is the nature of the
Universe?
What are its major
components?
Where did it all come from?
What is Cosmology?
The Big ...
What is the nature of the
Universe?
What are its major
components?
Where did it all come from?
How did it begin and how
wi...
The Universe:A Tour
You Are Here
Image: NASA,Apollo 17
Image: Christian Aristotelian Cosmos. From Peter Apian, Cosmographia
Ptolemy: Geocentric Universe
(Ancient Greece, c.85-16...
Image: “Harmonia Macrocosmica” by Andreas Cellarius
Ptolemy: Geocentric Universe
(Ancient Greece, c.85-165)
Geocentric Universe: Take 1
Geocentric Universe: Take 1
Earth at the
Center
Geocentric Universe: Take 1
Earth at the
Center
Planets & Stars
Orbit on Circles
Image:Tunc Tezel via APOD
Problem! Retrograde Motion
Animation:Tommy Huerta & Craig McConnel
Geocentric Universe: Take 2
Earth at the
Center
Geocentric Universe: Take 2
Earth at the
Center
Epicycles
Orbit on
Circles
Geocentric Universe: Take 2
Earth at the
Center
Planets & Stars
Orbit on Epicycles
Epicycles
Orbit on
Circles
Geocentric Universe: Take 2
Geocentric Universe: Take 3
Geocentric Universe: Take 4...
Image: Encyclopaedia Brittanica, 1st Edition
Animation:Tommy Huerta & Craig McConnel
Image:Tunc Tezel via APOD
Copernicus:
Heliocentric Universe
(mid-1500s)
Image: Copernicus 1543
The Copernican
Revolution
Image: Prenhall.com, animation by StarryNight software Image: ESA, illustration by Medialab
The Copernican
Revolution
Not the Center!
Image: Prenhall.com, animation by StarryNight software Image: ESA, illustration ...
The Copernican
Revolution
Not the Center!
Image: Prenhall.com, animation by StarryNight software Image: ESA, illustration ...
Copernican Principle
Copernican Principle
we do not occupy
a special place
in the Universe
we do not occupy
a special place
in the Universe
Image: EL Wright, UCLA;The COBE Project; DIRBE; NASA Image: NASA/JPL/R. H...
we do not occupy
a special place
in the Universe
Image: EL Wright, UCLA;The COBE Project; DIRBE; NASA Image: NASA/JPL/R. H...
we do not occupy
a special place
in the Universe
Image: EL Wright, UCLA;The COBE Project; DIRBE; NASA Image: NASA/JPL/R. H...
“Spiral Nebulae” and “Island Universes”
(late 1700s)
75 feet
Image: NASA
75 feet
Image: NASA
75 feet
Image: NASA
23 meters
Movie: Produced by Cosmus, from SDSS data
Illustration: NASA and A. Field (STScI)
Movie: Produced by Cosmus, from SDSS data
Cosmic Microwave Background
Image: NASA
Cosmic Microwave Background
Image: ESA
Greg Poole, GiggleZ Simulation82 million light year slice
Selected Cosmic
Mysteries
Greg Poole, GiggleZ Simulation82 million light year slice
d
a
r
k
m
a
tter
image: starlight-spinning.tumblr.com
Vera Rubin photo: Mark Godfrey
Galaxy Photo: NASA
galaxy motion:
expected
galaxy motion:
observed
Image: dark matter: K. Mack;Andromeda Galaxy: GALEX, JPL-Caltech, NASA
Dark Matter
“Matter tells spacetime how to curve;
spacetime tells matter how to move.”
-JA Wheeler
Image: NASA/ESA
d
a
r
k
en
er
g
y
Will the Universe
Expand Forever?
Illustration: NASA, ESA and STScI (altered)
Illustration: NASA, ESA and STScI (altered)
Illustration: NASA, ESA and STScI (altered)
Illustration: NASA, ESA and STScI (altered)
Dark Energy
Dark Energy
(because we have no idea what it is)
dark matter
dark energydark energy
dark energydark energy
Pale Blue Dot
Image: NASA,Voyager 1
“The Earth is a very small
stage in a vast cosmic arena.”
-Carl Sagan
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
A Tour of the Universe (and selected cosmic mysteries)
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A Tour of the Universe (and selected cosmic mysteries)

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Slides from a public talk given at Swinburne University of Technology. The audio from the lecture is here:

https://cdnapisec.kaltura.com/index.php/extwidget/openGraph/wid/0_j3f4snlz

Note: This presentation contains animations and videos that will not run in this format (sorry!). But you should be able to find them by searching using the credits on the slides.

Published in: Science
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A Tour of the Universe (and selected cosmic mysteries)

  1. 1. A Tour of the Universe (and selected cosmic mysteries) Katie Mack University of MelbourneImage:Alex Cherney www.astrokatie.com @AstroKatie
  2. 2. What is Cosmology? The Big Questions Image:Vincent van Gogh
  3. 3. What is Cosmology? The Big Questions What is Cosmology? The Big Questions Image:Vincent van Gogh
  4. 4. What is the nature of the Universe? What is Cosmology? The Big Questions What is Cosmology? The Big Questions Image:Vincent van Gogh
  5. 5. What is the nature of the Universe? What are its major components? What is Cosmology? The Big Questions What is Cosmology? The Big Questions Image:Vincent van Gogh
  6. 6. What is the nature of the Universe? What are its major components? Where did it all come from? What is Cosmology? The Big Questions What is Cosmology? The Big Questions Image:Vincent van Gogh
  7. 7. What is the nature of the Universe? What are its major components? Where did it all come from? How did it begin and how will it end? What is Cosmology? The Big Questions What is Cosmology? The Big Questions Image:Vincent van Gogh
  8. 8. The Universe:A Tour
  9. 9. You Are Here Image: NASA,Apollo 17
  10. 10. Image: Christian Aristotelian Cosmos. From Peter Apian, Cosmographia Ptolemy: Geocentric Universe (Ancient Greece, c.85-165)
  11. 11. Image: “Harmonia Macrocosmica” by Andreas Cellarius Ptolemy: Geocentric Universe (Ancient Greece, c.85-165)
  12. 12. Geocentric Universe: Take 1
  13. 13. Geocentric Universe: Take 1 Earth at the Center
  14. 14. Geocentric Universe: Take 1 Earth at the Center Planets & Stars Orbit on Circles
  15. 15. Image:Tunc Tezel via APOD Problem! Retrograde Motion
  16. 16. Animation:Tommy Huerta & Craig McConnel
  17. 17. Geocentric Universe: Take 2
  18. 18. Earth at the Center Geocentric Universe: Take 2
  19. 19. Earth at the Center Epicycles Orbit on Circles Geocentric Universe: Take 2
  20. 20. Earth at the Center Planets & Stars Orbit on Epicycles Epicycles Orbit on Circles Geocentric Universe: Take 2
  21. 21. Geocentric Universe: Take 3
  22. 22. Geocentric Universe: Take 4...
  23. 23. Image: Encyclopaedia Brittanica, 1st Edition
  24. 24. Animation:Tommy Huerta & Craig McConnel
  25. 25. Image:Tunc Tezel via APOD
  26. 26. Copernicus: Heliocentric Universe (mid-1500s) Image: Copernicus 1543
  27. 27. The Copernican Revolution Image: Prenhall.com, animation by StarryNight software Image: ESA, illustration by Medialab
  28. 28. The Copernican Revolution Not the Center! Image: Prenhall.com, animation by StarryNight software Image: ESA, illustration by Medialab
  29. 29. The Copernican Revolution Not the Center! Image: Prenhall.com, animation by StarryNight software Image: ESA, illustration by Medialab
  30. 30. Copernican Principle
  31. 31. Copernican Principle we do not occupy a special place in the Universe
  32. 32. we do not occupy a special place in the Universe Image: EL Wright, UCLA;The COBE Project; DIRBE; NASA Image: NASA/JPL/R. Hurt - Caltech
  33. 33. we do not occupy a special place in the Universe Image: EL Wright, UCLA;The COBE Project; DIRBE; NASA Image: NASA/JPL/R. Hurt - Caltech
  34. 34. we do not occupy a special place in the Universe Image: EL Wright, UCLA;The COBE Project; DIRBE; NASA Image: NASA/JPL/R. Hurt - Caltech
  35. 35. “Spiral Nebulae” and “Island Universes” (late 1700s)
  36. 36. 75 feet Image: NASA
  37. 37. 75 feet Image: NASA
  38. 38. 75 feet Image: NASA 23 meters
  39. 39. Movie: Produced by Cosmus, from SDSS data
  40. 40. Illustration: NASA and A. Field (STScI)
  41. 41. Movie: Produced by Cosmus, from SDSS data
  42. 42. Cosmic Microwave Background Image: NASA
  43. 43. Cosmic Microwave Background Image: ESA
  44. 44. Greg Poole, GiggleZ Simulation82 million light year slice
  45. 45. Selected Cosmic Mysteries Greg Poole, GiggleZ Simulation82 million light year slice
  46. 46. d a r k m a tter
  47. 47. image: starlight-spinning.tumblr.com
  48. 48. Vera Rubin photo: Mark Godfrey Galaxy Photo: NASA
  49. 49. galaxy motion: expected galaxy motion: observed
  50. 50. Image: dark matter: K. Mack;Andromeda Galaxy: GALEX, JPL-Caltech, NASA Dark Matter
  51. 51. “Matter tells spacetime how to curve; spacetime tells matter how to move.” -JA Wheeler
  52. 52. Image: NASA/ESA
  53. 53. d a r k en er g y
  54. 54. Will the Universe Expand Forever?
  55. 55. Illustration: NASA, ESA and STScI (altered)
  56. 56. Illustration: NASA, ESA and STScI (altered)
  57. 57. Illustration: NASA, ESA and STScI (altered)
  58. 58. Illustration: NASA, ESA and STScI (altered)
  59. 59. Dark Energy
  60. 60. Dark Energy (because we have no idea what it is)
  61. 61. dark matter
  62. 62. dark energydark energy dark energydark energy
  63. 63. Pale Blue Dot Image: NASA,Voyager 1
  64. 64. “The Earth is a very small stage in a vast cosmic arena.” -Carl Sagan

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