- isotropic. Such
observers are
called "
comoving"
observers because they move
along with the
Hubble flow. A
comoving observer is the only
observer who will...
-
sight (LOS):
Comoving distance: dC(z)=dH∫0zdz′E(z′){\displaystyle d_{C}(z)=d_{H}\int _{0}^{z}{\frac {dz'}{E(z')}}}
Transverse comoving distance:...
-
signals emitted since recombination.
According to calculations, the
current comoving distance to
particles from
which the
cosmic microwave background radiation...
- universe, with no
other motion, then it
remains stationary in
comoving coordinates. The
comoving coordinates are the
spatial coordinates in the FLRW metric...
- the
constellations Canes Venatici and Coma Berenices, with the
projected comoving distance of
approximately 18.2
billion light-years from Earth. It possesses...
- A
proper frame, or
comoving frame, is a
frame of
reference that is
attached to an object. The
object in this
frame is
stationary within the frame, which...
-
producing more X-rays than any
other known m****ive cluster. It is
located at a
comoving distance of 8.61 billion light-years (2.64 gigap****cs) from Earth. About...
- \theta }, the
comoving distance between them
would be DMδθ{\displaystyle D_{M}\delta \theta }. In a
spatially flat universe, the
comoving transverse distance...
-
universe for a
given comoving time. D{\displaystyle D} is the
proper distance (which can
change over time,
unlike the
comoving distance,
which is constant)...
-
Since proper distance at a
given time is just
comoving distance times the
scale factor (with
comoving distance normally defined to be
equal to proper...