Gravitational Lenses Spyglasses Into the Universe HEAD TOPICS
Gravitational Lenses Spyglasses Into the Universe
10/21/2022 1:53:00 PM Gravitational Lenses Spyglasses Into the Universe
Source SciTechDaily
Gravitational Lenses Spyglasses Into the Universe Light does not always travel in straight lines. As Einstein predicted in his Theory of General Relativity, massive objects will deform the fabric of space itself. When light passes one of these massive objects, such as a cluster of galaxies, its path is changed slightly. This effect, called gravi October 21, 2022This illustration depicts a phenomenon known as gravitational lensing, which is used by astronomers to study very distant and very faint galaxies. Note that the scale has been greatly exaggerated in this diagram. In reality, the distant galaxy is much further away and much smaller. Lensing clusters are clusters of elliptical galaxies whose gravity is so strong that they bend the light from the galaxies behind them. This produces distorted, and often multiple images of the background galaxy. But despite this distortion, gravitational lenses allow for greatly improved observations as gravity bends the light’s path towards Hubble, amplifying the light and making otherwise invisible objects observable. Read more:
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ESA/Hubble October 21, 2022 This illustration depicts a phenomenon known as gravitational lensing, which is used by astronomers to study very distant and very faint galaxies.Astronomers have detected a gargantuan blast of energy from space that appears to be doing the impossible: Traveling seven times faster than the speed of light.What Caused These Shooting Rays Of Light Across Arizona Sky 00:42 Surprising Guest Crashes Wedding Proposal In Mexico 00:37 Once-Extinct, Just Found In Hawaii Volcanic Crater 00:37 Over A Foot Of Snow Already 00:55 Do Not Touch Frozen Apples; Here's Why 00:59 Orionid Meteor Shower Peaks Friday, Here’s How To See It 00:44 Glimpse Into Past: Purse From 1959 Found During School Renovation 00:28 Watch: Huge Waves On Great Lake Batter Michigan 00:42 Tornadic Waterspout Makes Its Way To Shore In Cyprus 00:26 Nuclear Weapons Waste Winds Up At Missouri School 01:05 Giant Whale Gives Fisherman Huge Scare 00:43 How To Keep Pumpkins From Rotting After Carving 00:54 This May Be The Heaviest Sunfish Ever 00:20 Pouring Rain Can't Stop This Bride 00:36 Low Reservoir Reveals Ruins Of Lost English Village 00:50 New COVID Variants Drive Concern Over Winter Surge 01:02 It Takes 4 Men To Remove Napping Bear From Under Home 00:39 It's The Largest Tree Fruit Native To U.. Note that the scale has been greatly exaggerated in this diagram. In reality, the distant galaxy is much further away and much smaller. In this case, scientists detected a jet of energy blasting out of a stellar collision site at a staggering 99. Lensing clusters are clusters of elliptical galaxies whose gravity is so strong that they bend the light from the galaxies behind them. This produces distorted, and often multiple images of the background galaxy.07 billion km/h), according to a study published Oct. But despite this distortion, gravitational lenses allow for greatly improved observations as gravity bends the light’s path towards Hubble, amplifying the light and making otherwise invisible objects observable. The design gives you radar, hourly, and 7-day weather information just by scrolling. Credit: NASA, ESA & L. The jet in question is the result of a cosmic cataclysm that first made waves in the scientific community in 2017. Calçada Light does not always travel in straight lines. As predicted in his Theory of General Relativity, massive objects will deform the fabric of space itself. The collision was so powerful it created ripples in the fabric of space-time; such disturbances are known as gravitational waves. When light passes one of these massive objects, such as a cluster of galaxies, its path is changed slightly. This effect, called gravitational lensing , is only visible in rare cases and only the best telescopes can observe the related phenomena. The gravitational waves released by the colliding neutron stars in 2017 — a signal named GW17081 — were the first to be detected from a source other than black holes, proving that more than one type of cosmic catastrophe is capable of creating them. Gravitational lenses produce different shaped images depending on the shape of the lensing body. If the lens is spherical then the image appears as an Einstein ring (in other words as a ring of light) (top); if the lens is elongated then the image is an Einstein cross (it appears split into four distinct images) (middle), and if the lens is a galaxy cluster, like Abell 2218, then arcs and arclets (banana-shaped images) of light are formed (bottom). So, after LIGO detected the first blast of waves from the colliding stars in 2017, astronomers around the world trained their telescopes on the merger to learn whatever they could about it. Credit: European Space Agency Hubble’s sensitivity and high resolution allow it to see .