Neil deGrasse Tyson已認證帳戶

Will enjoy colorful fireworks tonight? Thank Aluminum Barium Calcium Chlorine Copper Iron Nitrogen Oxygen Sodium & Strontium.

Earth needs a virtual country: #Rationalia, with a one-line Constitution: All policy shall be based on the weight of evidence

Comment-Thread Virus: The urge to argue vociferously even when you have no actual idea of what you are talking about.

Some of my best friends -- actually every one of my best friends -- are made of chemicals.

June 20 vs June 21: Solstices (& Equinoxes) annually migrate 6-hrs later, until a Leap Year, when they reset 24-hrs earlier.

Most people can take or leave Indigo as a Rainbow color, but Newton was mystically fascinated with 7, so we’re stuck with it.

Newton assigned seven colors to the color-continuous Rainbow: Red-Orange-Yellow-Green-Blue-Indigo-Violet. Meet ROY G. BIV

If we had vision like @StarTrek’s Giordi, Rainbows would look twice as thick, and include parts of ultraviolet & infrared.

Isaac Newton, in Opticks (1704), published his discovery that white light is composed of colors - the colors in Rainbows.

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.

Rainbows are always the same angular size in the sky — they are various segments of a circle that is 84-degrees across.

The exact Rainbow any of us sees in the sky is entirely our own -- a personal, yet communal gift from the laws of optics.

Odd how many Americans invoke the 2nd Amendment to justify gun ownership, rather than explore whether or not it's a good idea

Common Evidence of Bias: Your candidate is the best, and you can find absolutely nothing good to say about other candidates.

Indeed, from atop Burj Khalifa in Dubai, they get four extra minutes of daylight: two in the morning & two in the evening.