Barbara Bigi

Barbara Bigi

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Barbara Bigi
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Kill the Clown Street Art By Andrea Michaelsson

Andrea Michaelsson, aka Btoy, is a street artist better from Barcelona, Spain. Btoy prefers to place street art and posters in old places. Her street art stencils often… Continue Reading →

Meteorites Might Not Have Created Solar System | David Reneke | Space and Astronomy News

This illustration is an artist’s conceptualization of the dusty TYC 8241 2652 system as it might have appeared several years ago when it was emitting large amounts of excess infrared radiation. Credit: Gemini Observatory/AURA artwork by Lynette Cook.

The “Black Widow” pulsar is moving through the galaxy at a speed of almost a million kilometers per hour. A bow shock wave due to this motion is visible to optical telescopes, shown in this image as the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.

The “Black Widow” pulsar moves at a speed of KM/hr. A bow shock wave is the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.

David Zinn: "A rare "permanent" appearance of Sluggo and company on a commissioned chalkboard. I'm sure he's particularly glad to be hanging around indoors on such a hot day."

A rare "permanent" appearance of Sluggo and company on a commissioned chalkboard. I'm sure he's particularly glad to be hanging around indoors on such a hot day. (July - street art by David Zinn