Ben McCarthy Retweeted Eric
I love seeing astronomy in motion. Most media from NASA/ESO is static because the time scales are so long. But really everything is moving. For context, the radius of our solar system is 1.87 light years. This landscape represents hundreds of thousands of years of observation.https://twitter.com/ericelectron2/status/1013260886222540800 …
Ben McCarthy added,
8:46 PM - 30 Jun 2018
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