Redshift questions
Jan 02, 2016
Redshift questions
Red shift
Big bang
Less/ no light pollutionLess atmospheric distortion/ interferenceLess/ no cloud coverImage is clearer
Light is red shifted
The further away the galaxy is, the bigger the effectThe universe is expanding
Observed – original = Z x orginal
Observed – 600 = 0.15 x 600 = 90
600 + 90 = 690
Distance from the EarthSpeed the stars/ galaxies are moving away from the earth
The microwave radiation comes from radiation present just after the big bang The big bang is currently the only way of explaining CMBR
The wavelength is decreased and the frequency increased
Red shift
C
It is furthest away; it has the largest red shift; it is moving away the fastest.
The observed wavelength of the dark line from the distant galaxy is increasedTherefore the distant galaxy must be moving outwards from a small initial point
This suggests the universe is expanding
The existence of CMBR