Curious minds wonder about the universe's stars. Scientists estimate trillions of galaxies, each with billions of stars, leading to a mind-boggling total of 10²² to 10²⁴ stars. This number, exceeding ...
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How did Andromeda's dwarf galaxies form? Hubble Telescope finds more questions than answers
A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.
This artist's illustration shows a stage in the predicted merger between our Milky Way galaxy and the neighboring Andromeda galaxy, as it will unfold over the next several billion years. In this image ...
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