Gravitational Lensing

If We Used the Sun as a Gravitational Lens Telescope, This is What a Planet at Proxima Centauri Would Look Like

A recent study shows how the Sun could be used as a gravitational lens to take direct images of nearby…

1 month ago

Gravitational lenses could be the key to measuring the expansion rate of the Universe

Nailing down cosmic expansion could depend on distant quasars, and the time it takes their light to reach us when…

2 months ago

A Rogue Earth-Mass Planet Has Been Discovered Freely Floating in the Milky Way Without a Star

If a solar system is a family, then some planets leave home early. Whether they want to or not. Once…

4 months ago

Meet WFIRST, The Space Telescope with the Power of 100 Hubbles

WFIRST ain't your grandma's space telescope. Despite having the same size mirror as the surprisingly reliable Hubble Space Telescope, clocking…

2 years ago

Astronomers Figure Out How to use Gravitational Lensing to Measure the Mass of White Dwarfs

An international team of scientists has found a way to use white dwarf stars as gravitational lenses, which will allow…

3 years ago

An Artificial Intelligence Just Found 56 New Gravitational Lenses

A team of European astronomers recently conducted the first use of AI to identify 56 new gravitational lenses from a…

3 years ago

New ‘Einstein Ring’ Discovered By Dark Energy Camera

A rare object called an Einstein Ring has been discovered by a team in the Stellar Populations group at the…

5 years ago

Dwarf Dark Matter Galaxy Hides In Einstein Ring

The discovery of a Dwarf Dark Galaxy addresses the Missing Satellite Problem, and tells us we're on the right track…

5 years ago

SpaceX Dragon Launches on Science Supply Run to Station, Booster Hard Lands on Barge

KENNEDY SPACE CENTER, FL - After a 24 hour delay due to threatening clouds, a SpaceX Falcon 9 rocket soared…

6 years ago

Peer Into the Distant Universe: How to See Quasars With Backyard Telescopes

“How far can you see with that thing?” It’s a common question overhead at many public star parties in reference…

6 years ago