what is the estimated age of this galaxy?
Several individual stars have been found in the Milky Way's halo with measured ages very close to the 13.80-billion-year age of the Universe.
Age and cosmological history
Several individual stars have been found in the Milky Way's halo with measured ages very close to the 13.80-billion-year age of the Universe. 
where is the solar system located in our galaxy The Solar System, is located in the Milky Way's galactic habitable zone. what is the milky way? It is the galaxy that contains our Solar System. can you tell me the names of the stars that form a part of this galaxy? The Milky Way may contain ten billion white dwarfs, a billion neutron stars, and a hundred million stellar black holes. can this galaxy be seen from earth in the northern hemisphere? The Milky Way is visible from Earth as a hazy band of white light, some 30° wide, arching across the night sky.  As viewed from Earth, the visible region of the Milky Way's galactic plane occupies an area of the sky that includes 30 constellations. how would you describe its size? The Milky Way is the second-largest galaxy in the Local Group with its stellar disk approximately in diameter and, on average, approximately thick. The Milky Way is approximately 890 billion times the mass of the Sun. name the structural parts of this. UNANSWERABLE
A star, HD 140283, is 14.5 ± 0.7 billion years old. A star in the galaxy, HD 140283, is 14.5 ± 0.7 billion years old. Several individual stars have been found in the Milky Way's halo with measured ages very close to the 13.80-billion-year age of the Universe.
Milky Way Milky Way Milky Way
Age and cosmological history Age and cosmological history Age and cosmological history
Another star, HD 140283, is 14.5 ± 0.7 billion years old. Several individual stars have been found in the Milky Way's halo with measured ages very close to the 13.80-billion-year age of the Universe. In 2007, a star in the galactic halo, HE 1523-0901, was estimated to be about 13.2 billion years old. As the oldest known object in the Milky Way at that time, this measurement placed a lower limit on the age of the Milky Way. This estimate was made using the UV-Visual Echelle Spectrograph of the Very Large Telescope to measure the relative strengths of spectral lines caused by the presence of thorium and other elements created by the R-process. The line strengths yield abundances of different elemental isotopes, from which an estimate of the age of the star can be derived using nucleocosmochronology. Another star, HD 140283, is 14.5 ± 0.7 billion years old. Several individual stars have been found in the Milky Way's halo with measured ages very close to the 13.80-billion-year age of the Universe.
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Milky Way [SEP] Age and cosmological history
Several individual stars have been found in the Milky Way's halo with measured ages very close to the 13.80-billion-year age of the Universe. In 2007, a star in the galactic halo, HE 1523-0901, was estimated to be about 13.2 billion years old. As the oldest known object in the Milky Way at that time, this measurement placed a lower limit on the age of the Milky Way. This estimate was made using the UV-Visual Echelle Spectrograph of the Very Large Telescope to measure the relative strengths of spectral lines caused by the presence of thorium and other elements created by the R-process.