Gravitational Lens

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…

8 months ago

Advanced Civilizations Could be Communicating with Neutrino Beams. Transmitted by Clouds of Satellites Around Neutron Stars or Black Holes

In the ongoing search for intelligent life, a new study recommends that we look for signs of an advanced civilization…

2 years ago

Quasars with a Double-Image Gravitational Lens Could Help Finally Figure out how Fast the Universe is Expanding

How fast is the Universe expanding? That's a question that astronomers haven't been able to answer accurately. They have a…

3 years ago

Thanks to a Gravitational Lens, Astronomers Can See an Individual Star 9 Billion Light-Years Away

In a recent study, a team of international astronomers used the gravitational lensing technique to study the most distant individual…

3 years ago

Gravitational Lensing Provides Rare Glimpse Into Interiors of Black Holes

An international team of scientists relied on a new kind of gravitational lensing to conduct a detailed study of a…

4 years ago

Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

We’ve now had multiple detections of gravitational waves, opening up a whole new field: gravitational astronomy. We talk about the…

4 years ago

Are There Dark Matter Galaxies? ft. Sarah Pearson from Space with Sarah

We know there’s dark matter, and there are galaxies, but are there galaxies entirely made up of dark matter? Astronomer…

4 years ago

Gallery: Incredible Mirages In Space Show Dark Matter, Supernovas And Galaxies

How can an exploding star appear far brighter than expected? This question vexed astronomers since the discovery of PS1-10afx, supernova that was…

7 years ago

Weekly Space Hangout – January 10, 2014: Wake Up, Rosetta! & Top Stories from AAS

Host: Fraser Cain Guests: David Dickinson, Amy Shira Teitel, Scott Lewis, Brian Koberlein, special guest Ruth McAvinia from the ESA…

8 years ago