The Hubble Space Telescope has observed the most distant star ever seen – Earendel, meaning morning star. Even though Earendel is 50 times the mass of the Sun, and millions of times brighter, we would not normally be able to see it. We can see it due to an alignment of the star with a large galaxy cluster in front of it whose gravity bends the light from the star to make it brighter and more focused – essentially creating a lens. Astronomers see into the deep past when we view distant objects. Light travels at a constant speed (3×10⁸…
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