Dr. John Barentine FRAS

@JohnBarentine

Director of Public Policy . Astronomer. Historian. Author. Vinyl junkie. Proud LGBT American. Retiring to asteroid 14505. Questioning everything.

Tucson, AZ, USA
Vrijeme pridruživanja: travanj 2010.

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  1. Prikvačeni tweet

    Do you know the warning signs?

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  2. coverage, : "Ah, the perils of caucusing." "A move like that could very easily split your caucus." "Clearly those supporters would love nothing more than to work their way into that caucus."

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  3. All I wanted to know was what the low temperature is tomorrow. 😔

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    Yosemite Firefall: 🌅Flowing fire 🌅Occurs mid-February 🌅Horsetail Fall is illuminated by the bright light of the setting sun 🌅Horsetail Fall must be 🌅The sky needs to be 🌅The sun needs to set at the right in the western sky 🌅Video by

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    prije 9 sati

    The crescent of Uranus, imaged by a departing Voyager 2 on February 3, 1986.

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    prije 3 sata

    ESO : NGC 2477 (also known as Caldwell 71) is an open cluster in the constellation Puppis. It contains about 300 stars, and was discovered by Abbe Lacaille in 1751. Credit: /J.Pérez

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  9. about Jupiter via : the impact of Comet Shoemaker-Levy 9 in 1994 temporarily altered the planet's radiation environment.

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    prije 6 sati
    Odgovor korisnicima i sljedećem broju korisnika:
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    Odgovor korisnicima i sljedećem broju korisnika:

    is another member of !

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  15. So the UC system admits SAT/ACT are biased indicators that don't predict success in higher ed, but it offsets biases so everything's cool. (AYFKM?!?) Anyway, it says that "UC admissions practices do not fully make up for disparities that persist along lines of race and class."

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  16. This is literally the evidence given: "Most UC admissions officers offset that bias by considering an applicant’s high school and neighborhood demographics in evaluating the standardized test scores." 😳

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    Odgovor korisnicima i sljedećem broju korisnika:
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    February is a great month for stargazing, so be sure to head outside this month to look for constellations, such as Orion:

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    prije 11 sati

    My second astronomy column for about the Great (and Growing) Space Garbage Patch and the risks posed to professional and amateur astronomers by huge satellite arrays being built by the likes of

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