Comments - Measuring The Distance To Very Distant Objects - Atheist Nexus2014-12-29T13:11:40Zhttp://www.atheistnexus.org/profiles/comment/feed?attachedTo=2182797%3ABlogPost%3A1992859&xn_auth=noThere are actually two types…tag:www.atheistnexus.org,2012-06-29:2182797:Comment:19935532012-06-29T22:57:43.389Zexodiahttp://www.atheistnexus.org/profile/exodia
<p>There are actually two types of "redshift". Photometric redshift which estimates the distance of an astronomical object by way frequency shifts of photons.</p>
<p>And then there is the Einstein shift(gravitational redshift) which determines the distance of an astronomical objects like singularities(blacks holes) by way of frequency shifts of emitted electromagnetic radiation from a strong gravity field.<br></br>But the math is a bit more complicated than what is found in Hubble's law which…</p>
<p>There are actually two types of "redshift". Photometric redshift which estimates the distance of an astronomical object by way frequency shifts of photons.</p>
<p>And then there is the Einstein shift(gravitational redshift) which determines the distance of an astronomical objects like singularities(blacks holes) by way of frequency shifts of emitted electromagnetic radiation from a strong gravity field.<br/>But the math is a bit more complicated than what is found in Hubble's law which determines the velocity of object relative to earth.</p>
<p>- Exodia</p>