NASA scientist shows dinosaurs wandered on Earth when it was on other side of Milky Way

Jessie Christiansen, a NASA scientist, has displayed through an animation just how long reign of disaurs actually lasted on this planet by tracing movement of our solar system through Milky Way. scientist also stated that planet used to be on a different side of galaxy when disaurs ruled planet Earth.

Sun orbits centre of galaxy, completing a rotation in every 250 million years. So her animation actually shows that last time Solar System was at its present point in universe, Triassic Period, kwn as first period of Mesozoic Era. It was this during this time that disaurs first started to emerge. A number of iconic disaurs were seen wandering Earth as planet was in a completely different part of Milky Way.

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Jessie Illustrates History

Jessie decided to illustrate it when she was attending a stargazing party at California Techlogy Institute in Pasena. Christiansen left attendees completely after claiming that our solar system was across galaxy during era of disaurs. She stated that it was first time when she realised that time scales - fossil record time scales, archaeological and astromical time scales - tied toger. Jessie ded that she later came up with an idea of mapping out evolution of disaur through rotation of galaxy.  resulting video was created in four hours in PowerPoint with timed animations putting both timelines in perspective:

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scientist also ted a few small corrections to text in her video stating that plesiosaurs are t disaurs and that we actually complete a galactic orbit every 250 million years, t 200 million years.

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news: A spiral over

Galactic movements are much more complicated than what can be seen in video. or stars and planetary systems are moving, at variable speeds and different orbits. inner parts spin at a faster rate as opposed to outer regions.

ditionally, Galaxy itself is moving over while slowly approaching jacent Andromeda galaxy. Jessie has stated that animations make it seem like we have reached same spot; however, entire galaxy has moved a very long way. She ded that it is more like we are doing a spiral through .

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Im credits: Unsplash | @faustogarmen