8 ms·
This graph is meant to show what is observable. The past is up, and distances are along the x axis.
by function_seven 8y ago
This graph is meant to show what is observable. The past is up, and distances are along the x axis.
- Aardwolf 8y agoThe time scale for human experience is around a second or so to 100 years, which makes sense for what we experience, but I also don't understand what past and future mean in the diagram, the vertical axis seems to mean time duration rather than a time in past or future...
- philipov 8y agoObservations take time. The y axis shows the duration of possible observations. Durations shorter than the plank time or longer than the current age of the universe are inaccessible; as are durations into the future, since we can only make observations in the past.