The mission of Gaia is to create the most accurate map of the universe. Astronomers can reconstruct our home galaxy's structure and past evolution over billions of years thanks to this.
New and improved details for almost two billion stars are contained in the 3rd release of the data. New information in the catalog include chemical compositions, stellar temperatures, colors, ages, and the speed at which stars move towards or away from us. A technique in which the starlight is split into its colors was revealed by the new data. Special subsets of stars are included in the data.
There are thousands of solar system objects, including asteroids and moons of planets, in this data set.
There are earthquakes.
The new data shows that the observatory can detect starquakes,tiny motions on the surface of a star that change the shape of the star.
The radial oscillations that cause stars to swell and shrink have been found before. There are also other noises that are similar to large-scale waves. The shape of a star can be changed by these nonradial oscillations.
There were starquakes in many stars. Stars that have never been seen before were revealed by Gaia. According to the current theory, these stars shouldn't have any earthquakes.
Stars' internal workings are taught a lot by earthquakes. Conny Aerts is a member of the Gaia collaboration and he says that the collaboration is opening a goldmine forasteroseismology.
The genes of famous people.
The history of the Milky Way can be told by what stars are made of. With today's data release, Gaia is showing the largest chemical map of the universe coupled to 3D motions.
Some stars have more heavy metal in them. Light elements were formed during the big bang. Astronomers build heavier elements inside stars. The metals are released into the gas and dust between the stars when stars die. An environment rich in metals will be created by active star formation. The chemical composition of a star gives us important information about its origins.
Some stars in our universe are made of primordial material while others are enriched by previous generations of stars. The stars that are closer to the center of our universe are richer in metals than the stars that are farther away. The chemical composition of the stars was used to identify them.
The observatory de la Cte d'Azur in France is a member of the Gaia collaboration.
The story of our galaxy's formation is told by this diversity. The processes of migration and accretion are revealed. The assembly of stars and gas of different origins shows that our sun and all of us are part of a changing system.
There are asteroids, quasars, and more.
The papers published today show the breadth and depth of Gaia's potential. A new asteroid survey of 156 thousand rocky bodies is looking into the origin of our solar system. 10 million variable stars, mysterious macro-molecules between stars, as well as quasars and galaxies beyond our own Cosmic neighborhood are all revealed by Gaia.
It is a survey mission that targets specific objects. While surveying the entire sky with billions of stars, Gaia is bound to make discoveries that other missions wouldn't. "This is one of its strengths, and we can't wait for the astronomy community to dive into our new data to find out even more about our galaxy and its surroundings than we could have imagined."
The mission of Gaia is to create the most accurate map of the universe. Astronomers can reconstruct our home galaxy's structure and past evolution over billions of years thanks to this.
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