- In
standard cosmology,
comoving distance and
proper distance (or
physical distance) are two
closely related distance measures used by
cosmologists to define...
- universe, with no
other motion, then it
remains stationary in
comoving coordinates. The
comoving coordinates are the
spatial coordinates in the FLRW metric...
-
signals emitted since recombination.
According to calculations, the
current comoving distance to
particles from
which the
cosmic microwave background radiation...
- the
constellations Canes Venatici and Coma Berenices, with the
projected comoving distance of
approximately 18.2
billion light-years from Earth. It possesses...
-
directly observable, but is more
convenient for
calculations (such as the
comoving coordinates of the quasar, galaxy, etc.). The
distance measures discussed...
-
Cosmologists often work with a
given space-like
slice of
spacetime called the
comoving coordinates. The
section of
spacetime which can be
observed is the backward...
- The
particle horizon (also
called the
cosmological horizon, the
comoving horizon (in
Scott Dodelson's text), or the
cosmic light horizon) is the maximum...
- the same
speed in the same
direction are said to be
comoving. Therefore, S and S′ are not
comoving. The
principle of relativity,
which states that physical...
- horizons. The
particle horizon, also
called the
cosmological horizon, the
comoving horizon, or the
cosmic light horizon, is the
maximum distance from which...
-
Space Telescope, it is the
earliest and most
distant known star, at a
comoving distance of 28
billion light-years (8.6
billion p****cs). The previous...
