en.wikipedia.org/wiki/Hubble's_law

Hubble's law is the name for the observation in physical cosmology that: Objects
observed in ..... The subscript '0' indicates the value of the Hubble constant today.
Current evidence su...

www.e-education.psu.edu/astro801/content/l10_p5.html

If we agree that Hubble's Law tells us that the universe is expanding, it also ... the
universe is expanding, because we know the value of Hubble's constant (H0 ) ...
You can actually calculate an estimate for the age of the Universe from Hubble's
Law. ... you with how long it took for the galaxies to reach their current sep...

cosmictimes.gsfc.nasa.gov/teachers/guide/age_size.html

Jan 4, 2010 ... Our estimate of the age and size of the Universe has changed during ... Hubble's
initial value of this constant gives an age of the universe of 2 ...

map.gsfc.nasa.gov/universe/uni_expansion.html

Jan 24, 2014 ... The current rate of expansion is usually expressed as the Hubble Constant (in ...
discovery was based on comparing his measurements of the Cepheid-based ...
the expansion rate (the Hubble constant) and age of the universe. ... values for
the Hubble constant that varied between 50 (km/sec)/Mpc and 100 ...

w.astro.berkeley.edu/~dperley/univage/univage.html

With the currently accepted value for the Hubble constant Ho of 71 km/s/Mpc, ... of
gravity using current measurements of the universe's mass density (including
both ... checks on its predictions – in this case, the estimate of the universe's age t
0. ..... with adjustments made to the ages of objects within the universe based on...

www.astro.caltech.edu/~george/ay127/readings/FreedmanMadore2010.pdf

Apr 3, 2011 ... age of Universe, Cepheids, cosmology, distance scale, supernovae ... Our best
current estimate of the Hubble constant is 73 ± 2 (random) ± ... Determining an
accurate value for Ho was one of the primary motivations for building HST. ....
based on entirely independent physics, give results consistent with the ...

www.space.com/25179-hubble-constant.html

Mar 21, 2014 ... The Hubble Constant is the unit of measurement used to describe the expansion
of the universe. ... As of March 2013, NASA estimates the rate of expansion is
about ... variables) and WMAP, which extrapolated based on measurements of ...
This pegged the universe at about 12 billion years old (which has ...

www.cfa.harvard.edu/~dfabricant/huchra/hubble/

Hubble's initial value for the expansion rate, now called the Hubble Constant, ...
The expansion age of the Universe inferred from this was only 2 Gyr, but by the ...
a value of 75 km/s/Mpc, and by the early 1970's estimates from Sandage and his
.... want to calcuate parameters based on the best available current numbers:.

answersingenesis.org/astronomy/age-of-the-universe/the-hubble-law/

Apr 1, 1995 ... The significance of the Hubble constant is explained, along with the ongoing ...
There is great confusion about the universe's age among people, .... the Hubble
law is then used to estimate distances of galaxies that are .... Afterward it dropped
either directly (a) or exponentially (b) to its current value. Back to ...

www.astronomynotes.com/galaxy/s16.htm

Aug 4, 2012 ... This method assumes that all Zero-Age main sequence stars of a given ... You
can make maps of the large-scale structure of the universe. ... with a best value of
72 km/sec/Mpc. More recently, the Hubble Constant has been ...