A newly discovered cluster-scale strong gravitational lens, with a rare alignment of seven background lensed galaxies, provides a unique opportunity to study cosmology. In a rare and extraordinary ...
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How gravity sculpts the universe from Einstein to cosmic magnifying lenses
From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens ...
KnowHOW team explains: A magnifying glass is a convex lens ? both its surfaces are curved outward. When light ray passes through such a lens, having arrived along a direction parallel to its axis, ...
Astronomers at the University of Chicago, MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, ...
A double-convex lens is compose of two convex surfaces, has a positive focal length. Normally Bi-Convex lenses are most suitable where the object and image are on opposite sides of the lens, and are ...
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