One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
Forbes10d
ESA’s Gaia Spacecraft Wraps Up Revolutionary Milky Way Mapping Mission
After 11 years in solar orbit, the European Space Agency’s Gaia spacecraft has completed its mapping of our Milky Way Galaxy to a precision ... Milky Way's disk to map many more stars and ...
The Telegraph14d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Toward the end of the 18th century, astronomer William Herschel used star counts to map out the Milky Way ... farther away a galaxy was, the faster it was moving away from Earth.
Manchester Evening News25d
ESA spacecraft creating '3D map of the Milky Way' to be shut down
Gaia space telescope aimed to create an accurate and detailed 3D map of billions of stars in our galaxy and has flipped astronomers' understanding of the Milky Way on its head. After more than a ...
Phys.org23d
Last starlight for Gaia as it completes sky-scanning mission phase
This has enabled Gaia to deliver on its primary goal of building the largest, most precise map of the Milky Way, showing us our home galaxy like ... light-years from Earth—the first time a ...
University of California14d
The Andromeda galaxy is finally viewed in all its glory, thanks to the help of UC Berkeley and UC Santa Cruz astronomers
The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.