Gravitational Lensing

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies…

For the first time, NASA’s James Webb Space Telescope has detected and “weighed” a galaxy that not only existed around…

The History of Gravitational Lenses Gravitational Lensing Today

It’s 7 billion years ago, and the universe’s heyday of star formation is beginning to slow. What might our Milky…


Overview Hubble’s View of Gravitational Lenses Stars Galaxies and quasars aren’t the only gravitationally lensed objects that Hubble has captured.…

Gravity is obviously pretty important. It holds your feet down to Earth so you don’t fly away into space, and…
This artist's illustration shows how the gravity of a foreground white dwarf star warps space and bends the light of…
This graphic shows how microlensing was used to measure the mass of a white dwarf star. The dwarf, called LAWD…