Omega Matter Now 



default value, change if required 


Omega Lambda Now 



default value, change if required 


Redshift of matterradiation density equality 



default value, change if required 


Hubble Constant Now 

Km/s per Mpc 

default value, change if required 


Redshift (z) of the source Now (def. = CMB) 



limits: 0.00001 < z < 1,000,000 


(Restores defaults)







Values "Now", when photons arrived 



Values "Then", when photons left source 


Proper distance of the source 

MLy 

Proper distance of the source 

Mly 
Lookback time 

My 

Hubble constant 

Km/s per Mpc 
Cosmological Time or "age" of universe 

My 

Cosmological Time or "age" of universe 

My 
Proper recession speed 

c 

Proper recession speed 

c 
Proper radius of the particle horizon 

MLy 

Proper radius of the particle horizon 

MLy 
Hubble time or radius 

My or Mly 

Hubble time or radius 

My or Mly 
Approximate luminosity distance 

Mly 

Omega Matter 


Approximate diameter distance 

Mly 

Omega Radiation 


Apparent recession speed (SR value) 

c 

Omega Lambda 


Time needed for 1% growth in cosmic distance 

My 

Time needed for 1% growth in cosmic distance 

My 