Happy birthday @neiltyson !!! 
pic.twitter.com/17vCj6d5U1
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Thank you for dedicating the best of those 58 to science & us, Neil. Deeply indebted to you!
Happy birthday! 
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based on orbit of the earth and shit it is likely your parents had sex on new years eve.
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And you don't look a day over 30 :) Happy Belated Birthday!
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happy bday dad!
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But according to Kirk Cameron you are only 3

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Happy Birthday, in this time and space dimension.
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in another 30 yrs you will be able to celebrate properly on a Holodeck. You could hang w a few versions of your younger self :-)
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My kid Tomás, 12 years old, saw Cosmos and now he wants to be an Astrophysicist. Studying extra hard. Happy b-day!
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your feelings have no bearing on how old you actually are, professor. Time is a constant.
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Age is just a number my late nana used to say...lived to 99 and a week...









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My Great Aunt just celebrated her 90th bday. So cool!
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That's great!

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age is only a number. You're as young as you feel
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congratulations!
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well, of course, tomorrow you'll be a day over 58 :) Happy Birthday!
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Please, you're not a day over 30 yet.
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we share a birthday, happy birthday to us!
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Happy Birthday!