33
/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
2105376
175798
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ Obtener premium
Create a timeline
Public timelines
FAQ
About & FeedbackAcuerdoPrivacidadFAQ
Support 24/7  
CabinetGet premium
Donate

15 sept 1923 año - Edwin Hubble working at Mount Wilson Observatory (photo) and using a 60 inch reflector telescope proves that galaxies are separate systems outside of our own Milky Way and that the Universe was expanding.

Añadido al timeline:

Space Timeline Project

ByKylie Gaskell
9 nov 2018
0
0
398

fecha:

15 sept 1923 año
Ahora mismo
~ 102 years ago
About & FeedbackAcuerdoPrivacidadFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL