John Williams

About John Williams

John Williams is owner of TerraZoom, a Colorado-based web development shop specializing in web mapping and online image zooms. He also writes the award-winning blog, StarryCritters, an interactive site devoted to looking at images from NASA's Great Observatories and other sources in a different way. A long-time science writer and space enthusiast, he created award-winning Hubble Star Cards. Use coupon code UNIVERSE to Hold the Universe in your hands. Follow John on Twitter @terrazoom.

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Here are my most recent posts

This Week’s Best Space Photos – May 3, 2013

by John Williams May 3, 2013

Here’s our brand new infographic for this week’s best space images. Feel free to share and re-post!

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Fly Along With Voyager

by John Williams April 29, 2013

Far away, deep in the dark, near the edge of interstellar space, Voyager 1 and 2 are hurtling near the tenuous edge of the magnetic bubble surrounding the Sun known as the heliosphere and NASA wants you to ride along. The Voyager website sports a new feature showing cosmic ray data. NASA’s Eyes on the […]

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This Week’s Best Space Photos – April 26, 2013

by John Williams April 26, 2013

This Week’s Best Space Photos – April 26, 2013.

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Einstein Right Again! Rapidly Spinning Pulsar Follows General Relativity

by John Williams April 25, 2013

A unique and exotic laboratory about 6,800 light-years from Earth is helping Earth-based astronomers test Albert Einstein’s theory of general relativity in ways not possible until now. And the observations exactly match predictions from general relativity, say scientists in a paper to be published in the April 26 issue of the journal Science. Using ESO’s […]

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This Week’s Best Space Photos – April 19, 2013

by John Williams April 19, 2013

This Week’s Best Space Photos- April 19, 2013

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