Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.
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Astronomers find hundreds of 'hidden' black holes — and there may be billions or even trillions moreBlack holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...
Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.
The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...
A team that included University of Arizona astronomers captured the infrared image of the supermassive black hole using a Large Binocular Telescope Interferometer.
Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...
A study carried out by a team of astronomers led by University of Arizona researcher Catherine Fielder has found that smaller ...
We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.
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