Gravitational Telescope Creates Space Invader Mirage

Image credit: NASA & ESA. Acknowledgement: N. Rose
Image credit: NASA & ESA. Acknowledgement: N. Rose

The NASA/ESA Hubble Space Telescope is one of the most powerful available to astronomers, but sometimes it too needs a helping hand. This comes in the form of Einstein’s general theory of relativity, which makes galaxy clusters act as natural lenses, amplifying the light coming from very distant galaxies.

Read more at: http://www.spacetelescope.org/news/heic1304/