scintillation

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References

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Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Statue of Nostradamus

Nostradamus and His Prophecies

July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

Will Light-Speed Space Travel Ever Be Possible?

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

scintillation

astronomy

Also known as: twinkling

Learn about this topic in these articles:

telescopic visual images

In seeing
Scintillation, the “twinkling” of stars to the unaided eye, is a commonly known result of turbulence in the higher reaches of the atmosphere. Poor seeing in telescopes is more a result of turbulence in the lower atmosphere. This turbulence sets a limit on the features…
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Why Do Stars Twinkle?

In Why Do Stars Twinkle?
Technically referred to as “scintillation,” this visual special effect is just variations in temperature and density of high altitude air flows that create a light show for observers on the ground. The next time someone sings “Twinkle, Twinkle, Little Star,” remember that it is only an illusion.
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