What creates a spiral structure of galaxies?
Why do spiral galaxies have this beautiful spiral structure? We are going to talk about both grand design and flocculent spiral galaxies, what spiral arms are and how they form.
Spiral structure animation
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Sources :
Shapes of galaxies
https://space-facts.com/galaxies/types/
Elliptical galaxies
https://www2.ifa.hawaii.edu/newslette...
http://www.astro.osu.edu/~ryden/ast16...
Lenticular galaxies
https://web.archive.org/web/202003011...
Spiral arms of the Milky way
https://earthsky.org/space/new-map-co...
Barred spiral galaxies
https://arxiv.org/pdf/1408.0219.pdf
https://astronomy.com/magazine/ask-as...
Galaxy formation
https://astronomy.com/magazine/greate...
Mercury, Jupiter and Neptune
https://nssdc.gsfc.nasa.gov/planetary...
https://nssdc.gsfc.nasa.gov/planetary...
https://nssdc.gsfc.nasa.gov/planetary...
Galactic year
https://hypertextbook.com/facts/2002/...
Density waves
https://www.annualreviews.org/doi/abs...
Formation of a spiral structure
https://iopscience.iop.org/article/10...
https://www.astronomynotes.com/ismnot...
https://www.scientificamerican.com/ar...
https://skyandtelescope.org/astronomy...
http://burro.cwru.edu/Academics/Astr2...
https://web.archive.org/web/200706091...
https://earthsky.rg/space/how-do-spir...
https://www.universetoday.com/144342/...
Saturn’s density waves
https://solarsystem.nasa.gov/resource...
Arms in protoplanetary disks
• NASA | Spiral Arms Point to Possible Plane...
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