Gullstrand–Painlevé coordinates Reference Libraries
Event Horizon -- The event horizon is a boundary beyond which information will never reach an observer. An event horizon is a mathematical construct and not a physical object and a person passing through an event horizon will not notice any odd behavior. From an outside observer however, an object passing though an event horizon will appear redder and dimmer and will appear to freeze at the...
- To stammer.
- Present participle of maffle, to stammer.
- A simpleton.