Gravitational lenses arise when foreground masses and background light sources properly align. Einstein rings…
Category:
SCIENCE
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US science is worth fighting for, but so are the science projects and scientists…
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When objects are gravitationally bound, they cannot escape from one another’s influence. How does…
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Even the youngest galaxies are often dust-rich, even with very low levels of heavy…
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In general relativity, matter and energy curve spacetime, which we experience as gravity. Why…
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The very word “quantum” makes people’s imaginations run wild. But chances are you’ve fallen…
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If you can identify a foreground star, the spike patterns are a dead giveaway…
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Perhaps the most remarkable fact about the Universe is simply that it, and everything…
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The highest-energy particles could be a sign of new, unexpected physics. But the simplest,…
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Our Universe doesn’t just expand and cool, but the expansion itself is accelerating. Can…