33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
9408009
899870
1
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Create
Close
Create a timeline
Public timelines
Library
FAQ
jan 1, 1922 - 苏联的弗里德曼得到引力场方程的非定态解,据此提出宇宙膨胀假说。
Description:
地点:
人物:
意义:
补充:
Added to timeline:
Ht
By
lee66
29 Mar 2024
0
0
137
Date:
jan 1, 1922
Now
~ 103 years ago
About & Feedback
Terms
Privacy
Library
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL