The Lawrence Hall of Science | What Is Cosmology? An Astrophysics Friday Video @lawrencehallofscience | Uploaded 4 years ago | Updated 23 hours ago
What's in the Universe, and how big is it? In this introduction to cosmology, Ellen Thompson, a student planetarium presenter at the Lawrence Hall of Science, explores the evidence that has shaped cosmologists' changing understanding of the Universe, from the past to the present.

Part 2 of this series on cosmology can be found here:
https://youtu.be/2H2XvLBW_Rw

Sound and images in this video come from the following sources:

Music: Divine Life Society By Jesse Gallagher; from YouTube Audio Library

Hubble Deep Field: https://commons.wikimedia.org/wiki/File:Hubble_ultra_deep_field_high_rez_edit1.jpg

History of the universe:
https://en.wikipedia.org/wiki/File:CMB_Timeline300_no_WMAP.jpg#/media/File:CMB_Timeline300_no_WMAP.jpg

Possible Models of the Expanding Universe: NASA/ESA/STcI
https://hubblesite.org/contents/media/images/1999/19/820-Image.html?news=true

Flat Earth:
https://commons.wikimedia.org/wiki/File:Flat_earth.png

Round Earth:
https://commons.wikimedia.org/wiki/File:Earth_Eastern_Hemisphere.jpg

(Partial) Lunar Eclipse:
https://commons.wikimedia.org/wiki/File:Partial_Lunar_Eclipse_2019-07-16.jpg

Geocentric Model:
https://commons.wikimedia.org/wiki/File:Ptolemaic_system_2_(PSF).png

Galilean Moons: NASA/JPL/DLR
https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA01299

"Juno Approach Movie of Jupiter and the Galilean Moons: NASA/JPL /MSSS
https://commons.wikimedia.org/wiki/File:Jupiter_and_the_Galilean_moons_animation.gif#/media/File:Jupiter_and_the_Galilean_moons_animation.gif

Heliocentric Model:
https://pixabay.com/illustrations/solar-system-planet-planetary-system-11111/

A Fly Through of The Alpha-Centauri System: ESO/L. Calada/Nick Risinger (skysurvey.org)
https://vimeo.com/51522373

Milky Way:
https://www.publicdomainpictures.net/en/view-image.php?image=180438&picture=milky-way


Henrietta Swan Leavitt:
https://commons.wikimedia.org/wiki/File:Leavitt_henrietta_b1.jpg

Large and Small Magellanic Clouds:
https://commons.wikimedia.org/wiki/File:Magellanic_Clouds__Irregular_Dwarf_Galaxies.jpg

Andromeda Galaxy:
https://commons.wikimedia.org/wiki/File:M31_Andromeda_Galaxy.jpg

Leavitts Period-Luminosity Relation of Cepheid Variables:
https://commons.wikimedia.org/wiki/File:Leavitt_1912_figures_1%262.png

Andromeda Galaxy with Hydrogen-Alpha filter:
https://commons.wikimedia.org/wiki/File:Andromeda_Galaxy_(with_h-alpha).jpg