William Burgess

William Burgess

William Burgess
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Smaller satellite galaxies caught by a spiral galaxy are distorted into elongated structures consisting of stars, which are known as tidal streams, as shown in this artist's impression. The new survey has, for the first time, shown the presence of such tell-tale traces of spiral galaxies swallowing smaller satellites for galaxies more distant than our own “Local Group” of galaxies. Image: Jon Lomberg in collaboration with David Martinez-Delgado for the Stellar Tidal Stream Survey

Smaller satellite galaxies caught by a spiral galaxy are distorted into elongated structures consisting of stars, which are known as tidal streams, as shown in this artist's impression. The new survey has, for the first time, shown the presence of such te

An Infographic Comparing Some of the Fastest Things in the World to the Speed of Light

Speed of light infographic: comparing some of the fastest objects known to man with the speed of light. How fast is Usain Bolt, the Bugatti Veyron or the speed of sound compared to the speed of light?