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100 years ago: Edwin Hubble proved the Milky Way is not the only galaxy in the universe
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
Live Science16d
'Herculean' 2.5-billion-pixel mosaic shows our closest galactic neighbor like never before — and took more than a decade to create
The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...
Goodbye to the Sun in the Milky Way: experts' warning that could change humanity
The future of galaxies remains one of the most interesting topics for experts. In fact, they will not survive the passage of time. Of course, we are not talking about decades, but ...
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100 years ago, Edwin Hubble proved our Milky Way galaxy isn't alone
Shapley's goal was to measure the size of the Milky Way — and hence the universe as he saw it — by creating the first official cosmic distance ladder. Cepheid variables that he identified in our ...
Live Science29d
Most of the atoms in your body left the Milky Way on a 'cosmic conveyor belt' long before you were born, new study reveals
New research suggests that most of the atoms within the human body likely spent part of their lives drifting beyond the Milky Way on a cosmic "conveyor belt," before eventually returning to our galaxy ...
One Large Milky Way Galaxy Or Many Galaxies? 100 Years Ago, A Young Edwin Hubble Settled Astronomy's 'Great Debate'
though he underestimated its true distance – about 2.5 million light years – by not realizing there were two different types ...