Gravitational Lensing
NASA Finds a Space Invader
Pew pew! NASA has found a Space Invader, but they won’t be activating any laser cannons to shoot it down.…
Now Even Further: Ancient Galaxy is Latest Candidate for Most Distant
It seems that every few months or so comes a new discovery of a new “most distant galaxy ever found.”…
Early Galaxy Found from the Cosmic ‘Dark Ages’
In the big image at left, the many galaxies of a massive cluster called MACS J1149+2223 dominate the scene. Gravitational…
Mysterious Arc of Light Spotted with Spitzer Telescope
From a JPL press release: Seeing is believing, except when you don't believe what you see. Astronomers using NASA's Hubble…
Hubble Captures Giant Lensed Galaxy Arc
[/caption] Less than a year ago, the Hubble Space Telescope's Wide Field Camera 3 captured an amazing image - a…
Distant Invisible Galaxy Could be Made Up Entirely of Dark Matter
[/caption] Astronomers can’t see it but they know it’s out there from the distortions caused by its gravity. That statement…
Microlensing Study Says Every Star in the Milky Way has Planets
[/caption] How common are planets in the Milky Way? A new study using gravitational microlensing suggests that every star in…
Quadruply Lensed Dwarf Galaxy 12.8 Billion Light Years Away
[/caption] Gravitational lensing is a powerful tool for astronomers that allows them to explore distant galaxies in far more detail…
A Magnified Supernova
[/caption] Supernovae are among astronomers most important tools for exploring the history of the universe. Their frequency allows us to…
Hubble Provides Most Detailed Dark Matter Map Yet
[/caption] Using Hubble's Advanced Camera for Surveys, astronomers have been able to chart invisible dark matter in a distant galaxy,…