en.wikipedia.org/wiki/Age_of_the_universe

In physical cosmology, the age of the universe is the time elapsed since the Big
Bang. The current measurement of the age of the universe is .... So a rough
estimate of the age of the universe comes...

www.ucolick.org/~hyesuf/teaching/ay1_2011/practice_midterm_2.pdf

than it is today while the energy density of radiation in the Universe at that time ...
Based on current estimates of the value of Hubble's constant, how old is the ...

www.studyblue.com/notes/note/n/chapter-20-/deck/14551296

May 2, 2015 ... Most large galaxies in the Universe are: Spiral or ... Based on current estimates of
the value of Hubble's constant, how old is the Universe?

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 ...

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...

www.flashcardmachine.com/astronomy-10-elementaryastronomy.html

Oct 10, 2009 ... The “celestial sphere” is just another name for our universe. ..... Based on current
estimates of the value of Hubble's constant, how old is the universe? Definition.
Between 12 and 16 billions years old ...

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 ...

spiff.rit.edu/classes/phys301/lectures/age/age.html

If we want to estimate distances to galaxies beyond this limit, we need to find a
set of ... the current (May, 2005) value of the Hubble constant is somewhere
around ... our estimate of the age of the universe based on the Hubble constant?
Right.

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...

cseligman.com/text/galaxies/universe.htm

This value of the Hubble constant is just an estimate, as it is hard to measure ...
Time since "close" to us = current distance / current speed = r / Vr = r / H r = 1 / H
... The value of 65 km/sec/Mpc implies an "age" for the Universe of 15 billion
years. ..... quoting are based on the assumption that the mass of th...