Telescopes revealed distant galaxies, vast and mysterious.
Meaning: Telescopes showed us faraway galaxies that are incredibly large and full of secrets we don't know about.
Choice of Words: Telescopes are tools that help us see things that are far away. Revealed means to show or make something known. Distant means far away. Galaxies are huge groups of stars, gas, and dust. Vast means very large. Mysterious means unknown or not understood.
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