Some of the earliest galaxies in the universe have been identified by scientists, including one of Indian origin.
The finding, published in the Astrophysical Journal, suggests that galaxies including Segue-1, Bootes I, Tucana II and Ursa Major I are some of the first galaxies ever formed, thought to be over 13 billion years old.
"A decade ago, the faintest galaxies in the vicinity of the Milky Way would have gone under the radar," said Sownak Bose, a research fellow at the Harvard-Smithsonian Center for Astrophysics in the US.
"With the increasing sensitivity of present and future galaxy censuses, a whole new trove of the tiniest galaxies has come into the light, allowing us to test theoretical models in new regimes," Bose said.
Scientists found evidence that the faintest satellite galaxies orbiting our own Milky Way galaxy are amongst the very first galaxies that formed in our universe.
They described the finding as "hugely exciting" explaining that that identifying some of the universe's earliest galaxies orbiting the Milky Way is "equivalent to finding the remains of the first humans that inhabited the Earth."
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