# @worldscifest on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/B0Q47XTF71m
- **Gondola URL:** https://gondola.cc/posts/2460474-worldscifest-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/ac23fe6257.jpg
- **Posted:** 2019-07-23T15:14:02.000+00:00
- **Account Owner:** WorldScienceFestival (@WorldSciFest) — https://gondola.cc/WorldSciFest

## Caption

"In a spiral galaxy, the ratio of dark-to-light matter is about a factor of 10. That's probably a good number for the ratio of our ignorance-to-knowledge. We're out of kindergarten, but only in about third grade." —Vera Rubin, born OTD in 1928.
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#womeninscience #science #darkmatter #sciencehero #otd #hbd #happybirthday #womenscientist #galaxy #spiral #universe #space #knowledge #knowing #education #learn #discovery #learning #onthisday

## Stats

- **Views:** 0
- **Likes:** 149
- **Shares:** 0
- **Comments:** 0

## Tags

darkmatter, space, knowledge, womenscientist, sciencehero, spiral, galaxy, knowing, womeninscience, science, happybirthday, learning, education, hbd, discovery, universe, onthisday, learn, otd

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