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Home / Science / Gaias Best Images of the Milky Way and Beyond the Most Accurate Survey Ever

Gaias Best Images of the Milky Way and Beyond the Most Accurate Survey Ever



The Gaia satellite of the European Space Agency has produced the most accurate measurement of the Milky Way so far, drawing nearly 1.7 billion stars in a 3-D map. The agency dropped the second version of the satellite's data yesterday, including a handful of incredible images created using their coordinates.

From distant galaxies to our nearest nebula, the satellite has explored our skies with its state-of-the-art equipment since its launch in 2013. Freely available online, its data will help the history of our galaxy and the astronomers To look into the future.

4_26_Gaia ESA Sky Map

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September 2016, the first Gaia data withdrawn. This new collection adds the position of hundreds of thousands of stars to the survey. The data includes, in addition to the star position, indications of brightness, color, movement and distance of more than a billion stars.

Milky Way Mapping

<p class = "canvas-atom Canvas Text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text" content = " The environment of the double clusters h Persei (NGC 869) and chi Persei (NGC 884) is shown. This image was generated using information from Gaia's second data sharing. ESA / Gaia / DPAC "Data Reactive =" 39 "> The environment of the double cluster h Persei (NGC 869) and Chi Persei (NGC 884) is shown. This image was created with information from Gaia's second data sharing. ESA / Gaia / DPAC

The above picture shows the environment of the double cluster h Persei and chi Persei – two close clustered star clusters in the Perseus constellation, also known as NGC 869 and NGC 884 The scientists used Gaia data to determine the total density of stars in each individual pixel. They used this information to create the most recent image of a star field we have seen for thousands of years. The astronomer Hipparchus saw, according to NASA, the clusters from the sky over Greece in 130 BC. Back.

4_26_Rho Ophiuchi molecular cloud

<p class = "canvas-atom canvas-text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm "type =" text "content =" This image replicates the Ro Ophiuchi Molecular Cloud, a large star neonate in the constellation Ophiuchus, the serpent carrier, with data from Gaia's second data release. ESA / Gaia / DPAC "daten-reactid =" 52 "> This image reproduces the Ro Ophiuchi Molecular Cloud, a large observatory in the constellation Ophiuchus, the serpent carrier, with data from Gaia's second data release. ESA / Gaia / DPAC

The Rho Ophiuchi Molecular Cloud, pictured above, is a large observatory in the constellation Ophiuchus – the serpent bearer. Astronomers created this image by mapping the radiation recorded by Gaia.

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Read more: Milky Way Mystery: Will our galaxy get bigger?

Filters on the satellite generate color information about the region. The brightest stars – including those in the globular cluster M4, which shines from the right side of the image – dominate this view of the complex.

<p class = "Canvas Atom Canvas Text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text" content = The molecular cloud of Barnard 68 – which is considered a stellar nursery – is pictured using images from Gaia's second data release. ESA / Gaia / DPAC "Data Reactid "70" The Barnard 68 molecular cloud – which one considers to be a stellar nursery – comes with information from Gaia's second data release. ESA / Gaia / DPAC

Molecular cloud Barnard 68 is also imaged using Gaia's radiation detection and filtering capabilities. Although there are no stars in the picture, astronomers believe that this dense fog could be a star tree containing the ingredients for stars that have not yet formed. According to NASA, this cloud is only 500 light-years away.

<p class = "Canvas Atom Canvas Text Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text" content = " The Orion A fog is represented by information from Gaia's second data release: astronomers have compared the dark shape in the picture with a cat or a fox. It all depends on whether you see the bright point to the right of the center as a nose or consider as an eye. ESA / Gaia / DPAC "data-reactid =" 83 "> The Orion A nebula is mapped with information from the second data release of Gaia. Astronomers have compared the dark figure in the picture with a cat or a fox. Everything depends on whether you consider the bright point to the right of the center as a nose or as an eye. ESA / Gaia / DPAC [194559010]

A picture of Orion A – here with star-density information from Gaia's second release – was also revealed based on data from Gaia's first publication. At the time, astronomers asked if this chunk of the big star-forming Orion molecular cloud had hidden a cat or a fox in the vast swath of gas and dust. If you see the bright spot to the right of the center of the image as an eye, you may see a fox leaping across the room. If you think of the spot that corresponds to the Orion Nebula cluster as a nose, the animal turns into a much sweeter cat.

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Peeking at our galactic neighbor

$ _ 26_Large Magellanic Cloud Still and Rotation


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