Monday, January 21, 2019

Observable Universe in a Single Image


ScienceAlert Article: 
Here's What It Looks Like 

Created by musician and artist Pablo Carlos Budassi, there is lots more information available in his Blog:


  The entire observable Universe can be featured because the distance scale diminishes exponentially the further you go out from the Earth according to the following scale:


This scale is featured on the version of the illustration that features helpful labels:


Further information on the logarithmic projection for maps is provided by Philippe Rivière including an interactive sample projection centered on Iceland which can be observed as variables are altered:

As we look further and further away we also look further and further back in time since light although fast, does take time to travel long distances.   NASA scientist James O'Donoghue created some animations to help visualize the speed of light:

First, light is able to travel 7.5 laps around the Earth every second:



Next we see how long it takes light to go from the Earth to the Moon:



Finally we see how slowly light travels the greater distance from Earth to Mars:


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