16th January 2012

Photo reblogged from cwl with 655 notes

cwnl: Event Horizons A Black Hole’s ‘Point of No Return’ The most distinguishing feature of the supermassive black hole: its event horizon. The point of no return for in-falling matter, it is about 15 million kilometres across, or one-tenth of the distance between Earth and the sun - minuscule in astronomical terms. In general relativity, an event horizon is a boundary in spacetime, most often an area surrounding a black hole, beyond which events cannot affect an outside observer. Light emitted from beyond the horizon can never reach the observer, and any object that approaches the horizon from the observer’s side appears to slow down and never quite pass through the horizon, with its image becoming more and more redshifted as time elapses. The traveling object, however, experiences no strange effects and does, in fact, pass through the horizon in a finite amount of proper time. More on Event Horizons

cwnl:

Event Horizons

A Black Hole’s ‘Point of No Return’

The most distinguishing feature of the supermassive black hole: its event horizon. The point of no return for in-falling matter, it is about 15 million kilometres across, or one-tenth of the distance between Earth and the sun - minuscule in astronomical terms.

In general relativity, an event horizon is a boundary in spacetime, most often an area surrounding a black hole, beyond which events cannot affect an outside observer. Light emitted from beyond the horizon can never reach the observer, and any object that approaches the horizon from the observer’s side appears to slow down and never quite pass through the horizon, with its image becoming more and more redshifted as time elapses. The traveling object, however, experiences no strange effects and does, in fact, pass through the horizon in a finite amount of proper time.

More on Event Horizons

Source: ikenbot

  1. jacks-cerebral-cortex reblogged this from scinerds
  2. nextstoppurgatory reblogged this from peachycats
  3. peachycats reblogged this from justinherrick
  4. pandapigs reblogged this from funandmorefun
  5. funandmorefun reblogged this from ikenbot
  6. lilyella-notes reblogged this from ikenbot
  7. max-tollenaar reblogged this from likeaphysicist
  8. lukealive reblogged this from theworldisconfused
  9. ive-got-friends reblogged this from thegobetween and added:
    Whats pretty interesting is the fact they exsist due to the repulsion calculated with the exclusion principle, eventualy...
  10. thegobetween reblogged this from theworldisconfused
  11. blindtricks reblogged this from project-argus
  12. thepsychologyofmolly reblogged this from ikenbot
  13. punmonster reblogged this from thefibonaccist
  14. thefibonaccist reblogged this from project-argus
  15. This was featured in #Science
  16. ikenbot posted this