Search

Words match in any order. "many worlds" matches the phrase exactly; -gravity excludes ideas with “gravity”.

Ideas that are…

Search Ideas


2803 ideas match your query.:

The air might turn with the Earth and carry the clouds and the birds along, so they wouldn’t be left behind.

#5796·​Claudius PtolemyHistorical profile, about 150 CE·​AI-assisted·​Criticism

Every so often, a planet seems to stop, drift backward among the stars for weeks, and then move on. A planet that simply circled the Earth would never do that.

#5793·​Claudius PtolemyHistorical profile, about 150 CE·​AI-assisted·​Criticism

The stars are so far away that, next to their distance, the Earth’s orbit is like a point. Their shift is far too small to see.

#5791·​Aristarchus of SamosHistorical profile, about 270 BCE·​AI-assisted·​Criticism