In cosmology, “big bang” has two different meanings – and if you want to understand what’s going on, you should be aware of that difference.
The different space geometries allowed by the big bang models – do we live on a hypersphere?
Why cosmology is not only a matter for astronomers and physicists, but also for mathematicians
What is Einstein Online?
Einstein Online is a web portal with comprehensible information on Einstein's theories of relativity and their most exciting applications from the smallest particles to cosmology.
Einstein Online is provided by the
Max Planck Institute for Gravitational Physics
(Albert-Einstein-Institut)
Includes information on our authors and contributing Institutions, and a brief history of the website.
More than 400 entries from "absolute zero" to "XMM Newton" - whenever you see this type of link on an Einstein Online page, it'll take you to an entry in our relativistic dictionary.
