This is the crater which a 1 gram object (a penny is 2.5 grams) leaves travelling at the ISS orbital speed (23,000 ft/sec) in a solid block of Aluminum.
Bubble wig styling
Splendid space shot
Streaming out from the center of the galaxy M87 like a cosmic searchlight is one of nature’s most amazing phenomena, a black-hole-powered jet of electrons and other sub-atomic particles traveling at nearly the speed of light.
Wicked Wikipedia article
Sick site, yo!