Gravitational Lensing
This Photonic Crystal Bends Light Like a Black Hole
One of the first observational tests of general relativity was that the path of light bends in the presence of…
Astronomers Find a Rare “Einstein Cross”
Gravitational lensing is one of astronomy's great wonders: a natural lens that magnifies the distant universe. Sometimes a lensing system…
Astronomers See the Same Supernova Four Times Thanks to a Gravitational Lens
Thanks to a well-placed gravitational lens, a team of astronomers was able to observe a supernova four times!
Gravitational Lensing is Helping to Nail Down Dark Matter
Using gravitational lenses, a team of astronomers showed how axions could be the particle that makes up Dark Matter.
Astronomers Think They've Found One of the Biggest Black Holes Ever Seen
Using the Gravitational Lensing technique, astronomers have found evidence of what could be the largest black hole ever detected!
A Rogue Earth and Neptune Might Have Been Found in Older Data
Scientists have found what appear to be rogue planets hidden in old survey data. Their results are starting to define…
A Novel Propulsion System Would Hurl Hypervelocity Pellets at a Spacecraft to Speed it up
A new proposal for a pellet-beam spacecraft could enable interstellar missions and a Solar Gravitational Lens in a matter of…
In a New Hubble Image, Dark Matter Anchors the Giant Galaxy Cluster Abell 611
Dark matter. It's secret. It's dark because it doesn't give off any light. We can't see it, taste it, touch…
Webb and Hubble Work Together to Reveal This Spectacular Galaxy Pair — and Several Bonuses!
What’s better than a pair of galaxies observed by a pair of iconic space telescopes? The answer to that, according…
A Computer Algorithm is 88% Accurate in Finding Gravitational Lenses
Astronomers have been assessing a new machine learning algorithm to determine how reliable it is for finding gravitational lenses hidden…