Behind the images
Bringing the Bullet Cluster to life
“This image of the Bullet Cluster of galaxies actually provided the first direct proof of dark matter. I worked with Zolt Levay, Hubble’s image expert at the time, to create
Cosmic Rays
Like a metal roof being struck during a heavy hailstorm, Earth is under constant bombardment by energetic subatomic particles from outer space. They travel at almost the speed of light, pack more energy than terrestrial particle laboratories can ever
