[DOC] [TLE] Hubble finds proof that the universe is expanding - PBS [PAR] People and Discoveries. Hubble finds proof that the universe is expanding 1929. 
The two keys to Edwin Hubble's breakthrough discovery were forged by others... [DOC] [TLE] Redshift and Distance in the Expanding Universe  Starts With A Bang [PAR] Aug 5, 2009 ... This is the same exact effect  the doppler shift  that causes police ... That, 
among other things, is how we discovered dark energy and the accelerating 
Universe! ..... If this is so, is color affected by gravity proximate to the observer in 
a .... it does not come to the conclusion that the universe is expanding. [DOC] [TLE] Edwin Hubble & the Expanding Universe [PAR] Edwin Hubble & the discovery of the expanding universe to 8.5 The Cosmic 
Engine, ... He had started measuring the Doppler shift of spectral lines from spiral
... [DOC] [TLE] Red shift and the Expanding Universe - Pass My Exams: Easy exam ... [PAR] Understanding the Doppler Effect makes it easier to understand Red Shift. ... 
Supernovae are explosions caused when massive stars collapse under their own 
gravity. ... the amount of red shift and thus the amount of expansion of the 
universe. [DOC] [TLE] Hubble's law: Discovery and Explanation of the Red Shift - Infoplease [PAR] Discovery and Explanation of the Red Shift Edwin Hubble first proposed this law 
in 1929 ... He observed that the characteristic colors, or spectral lines (see 
spectrum), ... A low Hubble's constant implies that the universe is expanding 
slowly and ... One team, led by Wendy L. Freedman, estimated the age at 912 
billion years. [DOC] [TLE] The Implications of Hubble's Law: An Expanding Universe ... [PAR] Hubble discovered a relationship between two measurable properties of galaxies
: their velocities and their distances. ... What is the cause of this relationship? ... 
Figure 10.5: Rubber band / dot analogy of the expanding universe ... we would 
find that Dot B would draw the same conclusion as Dot A. That is, all the dots 
would... [DOC] [TLE] Epic Discovery: New Hubble Observations Nix Theory That an ... [PAR] Mar 15, 2011 ... Led by Adam Riess of the Space Telescope Science Institute (STScI) and ... The 
bubble hypothesis requires that the universe's expansion rate be much .... from 
then, he jumped into the conclusion that the universe was expanding. .... Some 
might mention that the discovery of many red shift in the galaxies... [DOC] [TLE] 'A Day Without Yesterday': Georges Lemaitre & the Big Bang [PAR] This discovery would have come as no surprise to Georges Lematre (1894-1966
), ... Lemaitre described the beginning of the universe as a burst of fireworks, ... 
toward its center, Lemaitre believed that the universe would keep expanding. ... 
He came to this conclusion after observing the reddish glow, known as a red shift,
... [DOC] [TLE] Accelerating universe? Not so fast - Phys.org [PAR] Apr 10, 2015 ... The team, led by UA astronomer Peter A. Milne, discovered that type Ia ... in turn 
has led to the conclusion that the universe is expanding faster than it did in the 
past. ... of the reported acceleration of the universe can be explained by color .... 
red than far away ones, meaning less red-shift farther away, right? [DOC] [TLE] Discovery that quasars don't show time dilation mystifies astronomers [PAR] Apr 9, 2010 ... Since expansion occurs throughout the universe, it seems that time ... came to 
this conclusion after looking at nearly 900 quasars over periods of up .... An 
international collaboration of astronomers, led by a group at the ..... Is the light 
from a supernova with a red-shift 5 stretched out by a ... @Pink Elephant, [DOC] [TLE] The Big Bang - The Age of the Earth [PAR] However, recent discoveries suggest that something is wrong with the Big ... 
Hubble was the first to propose the idea of an expanding Universe. ... Perhaps 
because they don't like the idea that they were created by a being far ... the idea 
of red shift (or that reddish colored stars or galaxies are red because ..... 
Conclusion

Question: Discovery of this colorful "shift" led to the conclusion that the universe was expanding
Answer: the redshift