Gravitational Lensing

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…

1 year ago

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!

1 year ago

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.

2 years ago

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!

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

Gravity Really Tangled up the Light From a Distant Quasar

Way back in 1979, astronomers spotted two nearly identical quasars that seemed close to each other in the sky. These…

2 years ago