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Neil deGrasse Tyson @neiltyson

.@jbg7 Concerned about which way "up" really is? "Up" is every direction away from Earth's center. That's the entire cosmos. — PolitiTweet.org

Posted Dec. 31, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

As 2011 draws to a close, I remind us all that in life and in the universe, it is always best to keep looking up. — PolitiTweet.org

Posted Dec. 30, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Good to see Apollo 11's Buzz Aldrin in a cameo spot. Yes, long ago, in a country that once was, astronauts visited the Moon. — PolitiTweet.org

Posted Dec. 30, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

In any case, in Transformers III, it was good to see Optimus Prime kicking bot. — PolitiTweet.org

Posted Dec. 30, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Transformers III was 45m too long. There's no Dark Side of the Moon. And Apollo 11's Lunar Module was still on its launch pad — PolitiTweet.org

Posted Dec. 30, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Just caught up with Transformers III. The bots tear up Chicago. About time an action film destroys a city other than New York — PolitiTweet.org

Posted Dec. 30, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

FYI: Catalog of astro-apps for mobile devices. Via colleague Andrew Fraknoi, for AstronomyEducationReview: bit.ly/skSZ5S — PolitiTweet.org

Posted Dec. 29, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

@rick1701 URL is fine. Depends on your Twitter app. But I just sent around another, which should work. — PolitiTweet.org

Posted Dec. 29, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

When you can see the crescent Moon's unlit part it's called "Earthshine," but I've always preferred to call it "Moonshine" — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Can you see the whole Moon in the arm's of the crescent? It's sunlight bounced off full-Earth, then the Moon, then back to us — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

After Venus and the Moon sink low in the west, look south and high, for Jupiter at its best. — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Stunning thin crescent moon joins Venus this night, look low in the west during evening's twilight. — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

10 tweets in 1 day. Last did that for a shuttle launch. Please don't come to expect it. My preferred rate is a few per week. — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

...and why during sunset, when light passes through the most atmospheric crud, the Sun looks deep red & the sky, deep violet. — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

That's also why the daytime Sun looks yellow-ish and the surrounding sky looks "sky" blue. — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

And that's why a car (or truck's) fog lights are amber -- a color that penetrates the fog to illuminate the road. — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

That's why a car's blueish high-beams are useless in fog - light scatters within to offer an excellent view of the fog itself — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Long wavelength red-orange part of the spectrum passes thru fog/dust/pollen while short wavelength blue-violet gets scattered — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Newton showed that white light (like sunlight) is composed of a rainbow of colors: Red-Orange-Yellow-Green-Blue-Violet. — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Some unfinished business regarding Rudolph's nose -- in six tweets... — PolitiTweet.org

Posted Dec. 26, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

.@rna11y You want to celebrate Newton's b'day Dec 25 (1642)? He was born Jan 4, 1643, on the Gregorian calendar in use today. — PolitiTweet.org

Posted Dec. 25, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

I suppose the Christmas carol lyric "Go, Tell It On The Mountain, Over the hills & everywhere" would today be "Send a Tweet" — PolitiTweet.org

Posted Dec. 25, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Christians: MerryChristmas; Jews & Muslims: HappySunday; Atheists & Agnostics: HappyDay359 (Days of week are named for gods) — PolitiTweet.org

Posted Dec. 25, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Red light cuts thru fog better than white. So if Rudolph's nose did glow he'd indeed prevent Santa from flying into mountains — PolitiTweet.org

Posted Dec. 25, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Nope. I'm cool with the flying reindeer. RT @sarnoski: That's what get you? Not the flying reindeer? — PolitiTweet.org

Posted Dec. 25, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

According to the song, Rudolph's nose is shiny, which means it reflects rather than emits light. Useless for navigating fog. — PolitiTweet.org

Posted Dec. 25, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

Seems that by now, given Santa's body weight & shape, hungry PolarBears would have mistaken him for a seal and eaten him. — PolitiTweet.org

Posted Dec. 24, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

FYI: As the world warms & the Arctic melts, the PolarBear is not the only one to lose a habitat. Santa also gets cast adrift. — PolitiTweet.org

Posted Dec. 24, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

.@SethMacFarlane Speaking of Superman, if he's really made of indestructible stuff, seems to me he wouldn't need big muscles. — PolitiTweet.org

Posted Dec. 23, 2011 Hibernated
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Neil deGrasse Tyson @neiltyson

@realjohngreen FYI In the first secs of the interview the anchor had flashed a Vulcan sign. In my reply, I nerdfighterized it — PolitiTweet.org

Posted Dec. 23, 2011 Hibernated