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Explanation: This grand allsky view of our Milky Way and nearby galaxies is not a photograph. It's a map based on individual measurements for nearly 1.7 billion stars. The astronomically rich data set used to create it, the sky-scanning Gaia satellite's second data release, includes remarkably precise determinations of position, brightness, colour, and parallax distance for 1.3 billion stars. Of course, that's about 1 percent of the total number of stars in the Milky Way. Still, the flat plane of our galaxy dominates the view. Home to most Milky Way stars it stretches across the center of Gaia's stellar data map. Voids and rifts along the galactic plane correspond to starlight-obscuring interstellar dust clouds. At lower right are stars of the Large and Small Magellanic Clouds, neighboring galaxies that lie just beyond the Milky Way.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Milky Way
Publications with words: Milky Way
See also:
- APOD: 2024 August 7 Á Milky Way Behind Three Merlons
- APOD: 2024 August 5 Á Milky Way Over Tunisia
- APOD: 2024 August 4 Á Gaia: Here Comes the Sun
- APOD: 2024 July 29 Á Milky Way over Uluru
- APOD: 2024 July 22 Á Chamaeleon Dark Nebulas
- APOD: 2024 May 29 Á Stairway to the Milky Way
- APOD: 2023 December 12 Á Aurora and Milky Way over Norway