August 18, 2022
The only galaxy used to determine distances in the universe was recorded by Hubble (photo)

The only galaxy used to determine distances in the universe was recorded by Hubble (photo)

https://br.sputniknews.com/20211227/galaxia-solitaria-usada-para-determinar-distancias-no-universo-e-registrada-pelo-hubble-foto-20826160.html

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space, Hubble, galaxy, constellation

The lone spiral galaxy UGC 9391, located 130 million light-years from Earth, was spotted by the Hubble Space Telescope.

The lone spiral galaxy UGC 9391 has been recorded for 130 million light years From Earth, in the constellation Draco, near the north celestial pole, Secondly European Space Agency (ESA).
Its starry arms are clearly visible against a background of distant galaxies, whirlpool Or blurred spots, due to the large distance from the ground.
In addition, the image shows some foreground stars, brighter and closer, which surround them diffraction tips It is caused by the interaction of light with the complex Hubble lenses.

This galaxy was used to build cosmic distance scale, a set of connected measurements that allow you to determine the distances to the most distant astronomical objects.

However, the UGC 9391 Help astronomers improve their estimates of distances by providing a natural laboratory to compare two measurement techniques – supernova explosions and supernova explosions. civid variables – which helps determine the speed at which the universe is expanding.