Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

Create a timeline

Public timelines

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

1 янв 150 г. до нашей эры - Ptolemy improves upon the geocentric model to account for retrograde planetary movements

Добавлено на ленту времени:

History of Cosmology

Bye

12 фев 2020

0

0

245

Дата:

1 янв 150 г. до нашей эры

Сейчас

~ 2177 г назад

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL