Hubble's Field Guide to Galaxies

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Galaxies are the visible foundation of the universe; each one a collection of stars, planets, gas, dust, and dark matter held together by gravity. Hubble’s observations give us insight into how galaxies form, grow, and evolve through time.

Hubble’s namesake, astronomer Edwin Hubble, pioneered the study of galaxies based simply on their appearance. He divided galaxies into three basic forms:

This “Field Guide” will quickly teach you those three basic forms, and some new ones that astronomers have added over the years!

Credit: NASA's Goddard Space Flight Center
Miranda Chabot: Lead Producer
Andrea Gianopoulos: Lead Writer

Additional Credits:
Images of Edwin Hubble via Edwin P. Hubble Papers of the Huntington Library, San Mario, California.

Music Credits:
“Gravity Cruise - Underscore” by Jon Buster Cottam [PRS], and Samuel William John Walker [PRS] via Ninja Tune Production Music, and Universal Production Music

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