[DOC] [TLE] This date in science: Edwin Hubble and the expanding universe ... [PAR] Nov 20, 2015 ... Hubble helped change our cosmology: our idea of the universe as a whole. ... 
that the whole universe consisted of just one galaxy, our own Milky Way. In the 
1920s, Hubble was among the first to recognize that there is a universe ... At the 
time, many astronomers believed that the Andromeda nebula was a... [DOC] [TLE] Discovery: Other galaxies exist - Amazing Space [PAR] Were they gas clouds located within our Milky Way galaxy, or were they vast 
groups ... In 1919, American astronomer Edwin Hubble tackled the question. ... 
Hubble now knew the Andromeda nebula was a collection of stars, but how far 
away was it? ... In 1923, Hubble found dozens of these variable stars in 
Andromeda, and... [DOC] [TLE] Edwin Hubble & the Expanding Universe [PAR] Edwin Hubble & the discovery of the expanding universe to 8.5 The Cosmic ... 
One of the unsolved problems in early twentieth century astronomy was the ... 
astronomers that "spiral "nebulae" such as Andromeda were in fact separate ... 
The majority of galaxies therefore appeared to be moving away from our own 
galaxy. [DOC] [TLE] Dec. 30, 1924: Hubble Reveals We Are Not Alone | WIRED [PAR] Dec 30, 2009 ... 1924: Astronomer Edwin Hubble announces that the spiral nebula Andromeda is 
actually a galaxy and that the Milky Way is just one of many ... This conclusively 
proved that the nebulae are separate star systems and that our galaxy is not the 
universe. ... This article first appeared on Wired.com Dec. [DOC] [TLE] Andromedia: Galaxy, Mythology, Constellation - Crystalinks [PAR] The Andromeda nebula was very similar to the spectra of individual stars, and ... "
S Andromedae") was seen in M31, the first and so far only one observed in that 
galaxy. ... Edwin Hubble settled the debate in 1925 when he identified 
extragalactic ... of stars and gas within our Galaxy, but an entirely separate galaxy 
located a... [DOC] [TLE] Edwin Powell Hubble Quotes - 14 Science Quotes - Dictionary of ... [PAR] Science Quotes by Edwin Powell Hubble (11 quotes) ... beauty, justice, success-
all these are purely private convictions, and they constitute our store of wisdom. 
.... One may say that time had a beginning at the big bang, in the sense that 
earlier ... stars in the Andromeda Nebula which proved it was a separate galaxy 
system. [DOC] [TLE] Other Galaxies - University of Northern Iowa [PAR] What did Edwin Hubble do that made him so famous? ... But when you go to a 
telescope and look out in the sky and you see these fuzzy ... Or perhaps our 
galaxy is just like one of those fuzzy things - but like which type of fuzzy things? ... 
fuzzy spiral nebulae (like Andromeda) were actually very distant, separate 
objects,... [DOC] [TLE] Hubble views the star that changed the universe - Phys.org [PAR] May 23, 2011 ... And, at least one famous astronomer of the time ... ... Were these spiral nebulae 
part of the Milky Way or were they ... The star helped Hubble show that 
Andromeda was beyond our .... Edwin Hubble's observations of V1 became the 
critical first step in ..... Now let's say you have a hypothetical 100M star. [DOC] [TLE] Science | Frontier Fields | Page 2 [PAR] Sep 5, 2014 ... The presence of these elements indicates that the stars likely came from galaxies 
with .... Edwin Hubble Expands Our View of the Universe ... Hubble realized that 
the Andromeda Nebula was a separate galaxy much like our own. ... Galaxy 
cluster Abell 2744, the first of the Frontier Fields to be imaged. [DOC] [TLE] Meet Edwin Hubble in a Hubble 25th Anniversary Video | NASA [PAR] The video provides an overview of Edwin Hubble's life from his birth in 1889 ... 
and his 1923 discovery of the first variable star in the Andromeda Nebula, ... 
spiral nebulae and discovered that our universe extends far beyond our local 
Milky Way. ... Most of these galaxies were relatively small and faint, with masses 
similar to... [DOC] [TLE] March, 1929

Question: Edwin Hubble was the first to say the Andromeda nebula was one of these, separate from ours
Answer: Galaxy