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100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone
Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.
Got a telescope? Bid farewell to ESA's retiring Milky Way mapper
In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...
NASA's Hubble traces hidden history of Andromeda galaxy
In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...
Tiny galaxy reignites, shedding light on star formation and cosmic evolution
In a study published in the Astrophysical Journal, a team of researchers led by Kristen McQuinn, a scientist at the Space ...
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Gaia Telescope Finishes Scanning Milky Way
The European Space Agency's Milky Way-mapping space mission Gaia, which involves UCL researchers, has completed its ...
What Is a Galaxy?
Looking at a distant galaxy means looking back in time.
Legendary Gaia Spacecraft Maps Entire Galaxy, Promptly Retires
The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...
Scientists capture absolutely stunning image of the Andromeda galaxy
The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...
ESA spacecraft creating '3D map of the Milky Way' to be shut down
Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...
ESA's Gaia spacecraft 'gives best insight yet' of what the Milky Way looks
The ESA says Gaia has been mapping the positions, distances, movements, brightness changes, composition of stars in the Milky ...