A Zoo of Galaxies

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Over a thousand years ago, a Persian astronomer observed a dim smudge in the night sky. It took until the early 20th century to work out that this smudge was, in fact, the Andromeda galaxy - a whole other swirl of several hundred billion stars, outside our own Milky Way.
Quickly, more galaxies were found. And more. And still many, many more, galaxies of all shapes and sizes, ages and colours.
It was a mess. Someone had to tidy up these wild galaxies, and corral them into an ordered zoo.
Enter Hubble, and his tuning fork.
This video was originally created for the University of Sydney's online course, Data-Driven Astronomy - www.coursera.org/learn/data-d...
Credits:
Thanks to Dr Nicholas Scott for major input on the script.
NASA content sourced from NASA and its entities
The Milky Way Panorama, ESO/S. Brunier commons.wikimedia.org/wiki/Fi...
Barred Spiral Galaxy NGC 6217, NASA, ESA and the Hubble SM4 ERO Team www.spacetelescope.org/images...
Darth Vader’s Galaxy NGC 936, ESO www.eso.org/public/images/potw...
Elliptical Galaxy IC 2006, ESA/Hubble & NASA; Judy Schmidt and J. Blakeslee www.eso.org/public/images/eso1...
Galaxy NGC 2787, NASA/ESA and The Hubble Heritage Team www.spacetelescope.org/images/...
NGC 4660 in the Virgo Cluster of Galaxies, ESA, NASA and E. Peng spacetelescope.org/images/heic...
Largest Ever Galaxy Portrait - Stunning HD Image of Pinwheel Galaxy, European Space Agency & NASA www.spacetelescope.org/news/he...
M33 - Triangulum Galaxy, Alexander Meleg commons.wikimedia.org/wiki/Fi...
A Poster-size Image of the Beautiful Barred Spiral Galaxy NGC 1300, NASA, ESA, and The Hubble Heritage Team www.spacetelescope.org/images/...
“Grand Design” Spiral Galaxy M81, NASA, ESA and the Hubble Heritage Team (STScI/AURA); A. Zezas and J. Huchra (Harvard-Smithsonian Center for Astrophysics) www.spacetelescope.org/images/...
Hubble Image of ESO 381-12, NASA, ESA, P. Goudfrooij (STScI) www.spacetelescope.org/images/...
Hubble Mosaic of the Majestic Sombrero Galaxy, NASA/ESA and The Hubble Heritage Team (STScI/AURA) www.spacetelescope.org/images/...
Messier 91 by Jschulman555 commons.wikimedia.org/wiki/Fi...
Spiral Galaxy Messier 77, NASA, ESA & A. van der Hoeven www.spacetelescope.org/news/he...
Hubble's Newest Camera Takes a Deep Look at Two Merging Galaxies, NASA, Holland Ford (JHU), the ACS Science Team and ESA
www.spacetelescope.org/images/...
Artist's impression of the central bulge of the Milky Way, ESO/NASA/JPL-Caltech/M. Kornmesser/R. Hurt www.eso.org/public/images/eso...
Hubble Sees Oldest Galaxies Yet, NASA, ESA, G. Illingworth (UCO/Lick Observatory and the University of California, Santa Cruz), R. Bouwens (UCO/Lick Observatory and Leiden University) and the HUDF09 Team spacetelescope.org/images/heic...
Animation of objects orbiting the centre of the Milky Way, ESO/MPE/M. Schartmann/L. Calçada www.eso.org/public/videos/eso...
#astronomy #galaxies #space #galaxyzoo

[@tmjmccormack]

nice work. like your channel!

[@johanjoseph4802]

One of the few channels where enabling the notification bell is worth it.

[@TopQuark]

Shucks.

[@PhysicsHigh]

Nice work Chris. well paced, clear and informative

[@TopQuark]

Thanks!

[@WannaMakeMeDrunK]

Nice.