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Gravitational Lensing

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This graphic illustrates how a faraway quasar (an extremely bright region in the center of some distant galaxies) is altered by a massive foreground galaxy.
This artist concept depicts an ultra-dense dead star, called a white dwarf, passing in front of a small red star. NASA planet-hunting Kepler was able to detect gravitational lensing by measuring a strangely subtle dip in the star brightness.
This plot shows data obtained from NASA Spitzer Space Telescope, and the Optical Gravitational Lensing Experiment telescope located in Chile, during a microlensing event.
This is view from ESA Hubble Space Telescope of a very massive cluster of galaxies, MACS J0416.1-2403, located roughly 4 billion light-years away and weighing as much as a million billion suns.
This artist map of the Milky Way shows the location of one of the farthest known exoplanets, lying 13,000 light-years away. Most of the thousands of exoplanets discovered to date are closer to our solar system, as indicated by the pink/orange areas.
This artist impression depicts the accretion disc surrounding a black hole, in which the inner region of the disc precesses. Precession means that the orbit of material surrounding the black hole changes orientation around the central object.
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NASA’s Space Launch System rocket carrying the Orion spacecraft with NASA astronauts Reid Wiseman, commander; Victor Glover, pilot; Christina Koch, mission specialist; and CSA (Canadian Space Agency) astronaut Jeremy Hansen, mission specialist onboard launches on the Artemis II mission, Wednesday, April 1, 2026, from Launch Complex 39B at NASA’s Kennedy Space Center in Florida. NASA’s Artemis II mission will take Wiseman, Glover, Koch, and Hansen on a 10-day journey around the Moon and back aboard their Orion spacecraft. The quartet launched at 6:35 p.m. EDT, from Launch Complex 39B at the Kennedy Space Center. Photo Credit: (NASA/Bill Ingalls)

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