Milky Way stars catalogued in massive new image of galaxy

The team's achievement at the Paranal observatory in northern Chile has been billed as the largest survey to date of stars in our galaxy, at a multi-gigapixel.

That makes it a whopping 10 times larger than the biggest earlier images, according to scientists at the European Southern Observatory (ESO).

It should help them better understand how our universe has changed over time, they said.

“By observing in detail the thousands of stars around the center of the Milky Way, we can learn much more about the formation and evolution, not only of our galaxy, but of spiral galaxies in general,” said lead researcher Roberto Saito.

The ESO, a collaboration involving 15 mainly European countries, operates a number of high-powered telescopes in Chile, including the Very Large Telescope array (VLT) in Paranal, the world's most advanced telescope.

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