gravitational lensing

[RobArb]

ah but has it?

 

it could all just be a hologram:biggrin:

[Jdtrees]

Hologram or not, it cant take thinking about this stuff without trying to escape through my ears.

[scottyd]

lol but time is measured in light... and grav lensing affects the path route etc etc ... so ultimatley what is measurably infintae could fit into a match box....( rember residiual imagry )

[Jdtrees]

Are you looking towards the 'dark energy' thing when you talk about the residual imagery? Confused.

[Quickthorn]

Here's an example of gravitational lensing - Einstein's Cross

 

 

 

The four bright spots on the outside are images of one bright object that's actually behind the galaxy in the centre.

 

Here's a bit of an explanation