Gravitational Lensing
Gravitational Lensing Caught By Amateur Telescope
Just a few short years ago, even the thought of capturing an astronomy anomaly with what's considered an "amateur telescope"…
First Quasar Gravitational Lens Discovered (w/video)
[/caption] Gravitation lensing - a phenomenon that falls out of Einstein's theory of general relativity - has been observed numerous…
Stunning Science Using Nature’s Telescope
[/caption] Einstein started it all, back in 1915. Eddington picked up the ball and ran with it, in 1919. And…
Hubble Confirms Cosmic Acceleration with Weak Lensing
[/caption] Need more evidence that the expansion of the Universe is accelerating? Just look to the Hubble Space Telescope. An…
Galaxies in Early Universe Experienced “Growth Spurt”
[/caption] Looking back in time – and through a gravitational lens – astronomers found evidence that galaxies in the early…
This is Getting Boring: General Relativity Passes Yet another Big Test!
[/caption] Published in 1915, Einstein's theory of general relativity (GR) passed its first big test just a few years later,…
Using Gravitational Lensing to Measure Age and Size of Universe
[/caption] Handy little tool, this gravitational lensing! Astronomers have used it to measure the shape of stars, look for exoplanets,…
Dark Matter in Distant Galaxy Groups Mapped for the First Time
[/caption] Galaxy density in the Cosmic Evolution Survey (COSMOS) field, with colors representing the redshift of the galaxies, ranging from…
A Table-Top Test of General Relativity?
[/caption] Even Albert Einstein might have been impressed. His theory of general relativity, which describes how the gravity of a…
First Extra-Galactic Planet May Have Been Detected
[/caption] Using a technique called Pixel-lensing, a group of astronomers in Italy may have detected a planet orbiting another star.…