ESA's GAIA mission has just dropped its third major data dump.
GAIA operates in a different manner than Webb or Hubble. Instead of examining the universe one fascinating distant object at a time, it repeatedly examines the entire sky. The flying-saucer-like telescope, located 930,000 miles from Earth, studies 2 billion of the brightest stars in the sky, free of the distorting effects of Earth's atmosphere that afflict ground-based telescope views.
"We are still trying to unravel the details of the Milky Way's origins," Anthony Brown, an astronomer at Leiden University in the Netherlands and chair of the Gaia Data Processing and Analysis Consortium,."With the new release, we should be able to do it even better because we are getting some new data."
"You really get to know the stars," Jos de Bruijne, Gaia project scientist at ESA, told Space.com."It's like you have an anonymous group of people and now you get to meet every one of them. You get to know their names and how old they are and where they came from."The new data dump should provide data on half a billion individual objects, representing one-quarter of the stars GAIA observes.
The GAIA probe is fitted with a 1 billion pixel camera, the largest ever in orbit, as well as more than 100 electronic detectors. The most recent collection offers the galaxy's greatest chemical atlas to date, cataloging the composition of six million stars, ten times the quantity observed in prior ground-based catalogs.
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