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Neil deGrasse Tyson
Astrophysicist
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Neil deGrasse Tyson Jun 29
Are you a citizen of ?
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Neil deGrasse Tyson Jun 29
Earth needs a virtual country: , with a one-line Constitution: All policy shall be based on the weight of evidence
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Neil deGrasse Tyson Jun 27
Earth is pear-shaped by about a few miles, just below the equator. Hard to notice across our 8000 mi. diameter
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Neil deGrasse Tyson Jun 27
White it is. Looks yellow/orange at sunset because the blue has been significantly filtered by Earth’s atmosphere.
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Neil deGrasse Tyson Jun 27
Indeed, a fundamental element of philosophy, but manifests in all fields of inquiry.
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Neil deGrasse Tyson Jun 24
Comment-Thread Virus: The urge to argue vociferously even when you have no actual idea of what you are talking about.
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Neil deGrasse Tyson Jun 21
Some of my best friends -- actually every one of my best friends -- are made of chemicals.
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Neil deGrasse Tyson Jun 20
June 20 vs June 21: Solstices (& Equinoxes) annually migrate 6-hrs later, until a Leap Year, when they reset 24-hrs earlier.
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Neil deGrasse Tyson Jun 19
When Feb has no Full Moon, often January & March each get two. The 2nd in a month we call a Blue Moon.
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Neil deGrasse Tyson Jun 19
You’d expect no Full Moon in February every few decades. As in: 1915, 1933, 1961, 1999, 2018, and 2037
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Neil deGrasse Tyson Jun 18
JUST POSTED: ’s “Climate Change and the Future, with .” On &
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Neil deGrasse Tyson Jun 15
Learn Math first. That’s the language of the Universe. Later, you can worry about understanding my English.
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Neil deGrasse Tyson Jun 14
And sometimes you will find colors of the Rainbow on flags.
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Neil deGrasse Tyson Jun 14
Most people can take or leave Indigo as a Rainbow color, but Newton was mystically fascinated with 7, so we’re stuck with it.
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Neil deGrasse Tyson Jun 14
Newton assigned seven colors to the color-continuous Rainbow: Red-Orange-Yellow-Green-Blue-Indigo-Violet. Meet ROY G. BIV
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Neil deGrasse Tyson Jun 14
If we had vision like ’s Giordi, Rainbows would look twice as thick, and include parts of ultraviolet & infrared.
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Neil deGrasse Tyson Jun 14
Isaac Newton, in Opticks (1704), published his discovery that white light is composed of colors - the colors in Rainbows.
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Neil deGrasse Tyson Jun 14
A Rainbow forms only broadside to your line of sight. That's why the pot of Gold at its base remains eternally out of reach.
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Neil deGrasse Tyson Jun 14
Rainbows are always the same angular size in the sky — they are various segments of a circle that is 84-degrees across.
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Neil deGrasse Tyson Jun 14
The exact Rainbow any of us sees in the sky is entirely our own -- a personal, yet communal gift from the laws of optics.
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