Ah! @MorganMJohnsen's interview with me for @businessinsider about the Milky Way/dinosaur animation I made recently is live!https://www.businessinsider.com/video-nasa-scientist-dinosaurs-milky-way-2019-10 …
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Yes but the Galaxy is moving at roughly 370 km/sec relative to the cosmic background radiation, so the dinosaurs lived roughly 8x10^15 km away (if my poor arithmetic works)
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Yeah I discuss that being one of the simplifications of the animation in the responses to the original tweet in the article!
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What's so amazing that keeps us star gazing? What so we think we might see? Someday we'll find it, that rainbow connection The lovers, the dreamers, and me
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So I'd assume the constellations/sky changes as we move around the Galaxy, right?
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Milky way galaxy from 'above'? What is above and below in space?pic.twitter.com/MmZro4jipb
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It means in reference to the plane of the Galaxy, but it works just the same to say from 'below'!
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I had a long discussion with some (non-astro) perplexed Italian outreachers who had problems with it (“does it makes sense to say I’m on the other side if we rotate together with the galaxy? It’s not like in 12 hours my home is in Japan”)...
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I thought it was just a problem of reference coordinates (me: “no you see, it’s like the Earth around the Sun” etc etc), but in the end I understood that they feel it’s misleading because it shows the motion of the solar system within a still galaxy.
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I'm talking about exactly this (Sun movement around the galaxy) in my Monday 9am lecture, so I will mention the dinosaurs! What software did you use, out of curiosity?
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Dr.Christiansen has mentioned that she’s used PowerPoint for this.
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