@@ -20,7 +20,7 @@ Getting Started
2020
2121There are many functions available to calculate cosmological quantities.
2222They generally take a redshift as input. For example, the two cases
23- below give you the value of the hubble constant at z=0 (i.e., `H0 `), and
23+ below give you the value of the Hubble constant at z=0 (i.e., `H0 `), and
2424the number of transverse proper kpc corresponding to an arcminute at z=3:
2525
2626 >>> from astropy import cosmology
@@ -66,15 +66,15 @@ Using `cosmology`
6666
6767Most of the functionality is enabled by the
6868`~astropy.cosmology.core.FLRW ` object. This represents a
69- homogenous and isotropic cosmology (a cosmology characterized by the
69+ homogeneous and isotropic cosmology (a cosmology characterized by the
7070Friedmann-Lemaitre-Robertson-Walker metric, named after the people who
7171solved Einstein's field equation for this special case). However,
7272you can't work with this class directly, as you must specify a
7373dark energy model by using one of its subclasses instead,
7474such as `~astropy.cosmology.core.FlatLambdaCDM `.
7575
7676You can create a new `~astropy.cosmology.core.FlatLambdaCDM ` object with
77- arguments giving the hubble parameter and omega matter (both at z=0):
77+ arguments giving the Hubble parameter and omega matter (both at z=0):
7878
7979 >>> from astropy.cosmology import FlatLambdaCDM
8080 >>> cosmo = FlatLambdaCDM(H0 = 70 , Om0 = 0.3 )
@@ -250,7 +250,7 @@ Relativistic Species
250250====================
251251The cosmology classes include the contribution to the energy density
252252from both photons and massless neutrinos. The two parameters
253- controlling the proporties of these species are Tcmb0 (the temperature
253+ controlling the properties of these species are Tcmb0 (the temperature
254254of the CMB at z=0) and Neff, the effective number of neutrino species.
255255Both have standard default values (2.725 and 3.04, respectively; the
256256reason that Neff is not 3 has to do with a small bump in the neutrino
0 commit comments