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Timeline of cosmological theories

space Maturity 9-11

People have many ideas about space.

Early Hebrew Conception of the Universe.svg
Early Hebrew Conception of the Universe.svg
Some thought the Earth was flat. Others thought it was a round ball. We look at the stars to learn more. It is fun to wonder about the sky. What do you see at night?

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🖼️ Images & Media (11)
File:Early Hebrew Conception of the Universe.svg
Early Hebrew Conception of the Universe.svg
File:Ptolemaicsystem-small.png
Ptolemaicsystem-small.png
File:Naboth Capella.JPG
Naboth Capella.JPG
File:Heliocentric.jpg
Heliocentric.jpg
File:Herschel-galaxy.jpg
Herschel-galaxy.jpg
File:Orion-Nebula A A Common.jpg
Orion-Nebula A A Common.jpg
File:Pic iroberts1.jpg
Pic iroberts1.jpg
File:Three steps to the Hubble constant.jpg
Three steps to the Hubble constant.jpg
File:USA.NM.VeryLargeArray.02.jpg
USA.NM.VeryLargeArray.02.jpg
File:Egret all sky gamma ray map from CGRO spacecraft.png
Egret all sky gamma ray map from CGRO...
File:Cosmic Background Imager- CMB.png
Cosmic Background Imager- CMB.png
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Expansion of the universe
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More advanced topics to explore

Science in classical antiquity Expansion of the universe Timeline of meteorology

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Simpler topics to build understanding

Age of the universe Location of Earth
📚 Content adapted from Wikipedia | Readability: FK 12.8 | Vital Level 5