In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...
ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...
Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...
The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...
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Why This Weird Object Being Dragged into the Center of Our Galaxy Is Confusing ScientistsAn elongated object near the supermassive black hole at the center of the Milky Way, known only as ‘X7,’ has piqued the ...
Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, ...
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