Wednesday, August 31, 2016

Heads Up! - On Sept. 1, the moon will pass in front of the sun

On Sept. 1, the moon will pass in front of the sun, creating a brilliant ring of sunlight visible from areas around the southern Indian Ocean.

When the moon creates a ring of sunlight during an eclipse instead of completely blocking the solar disk, it's known as an annular eclipse or "ring of fire" eclipse. And although the Sept. 1 event won't be a total eclipse of the sun (or of the heart), it will still be a stunning sight leading up to another annular eclipse in February 2017 and the total solar eclipse in August 2017.

The best place to view the Sept. 1 annular eclipse will be southern Africa.



Margot Robbie’s Beauty Routine Is Psychotically Perfect | Vogue

A SETI signal?

Have aliens from a distant planet contacted us? Despite the hype from some journalists, the answer is almost certainly no. In a post for the SETI Institute, astronomer Seth Shostak explains what we know about the alleged "signal" from a star system 94 light-years away: "The chance that this is truly a signal from extraterrestrials is not terribly promising, and the discoverers themselves apparently doubt that they’ve found ET. Nonetheless, one should check out all reasonable possibilities, given the importance of the subject."

Interesting article via SETI:

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Tuesday, August 30, 2016

Diet and Exercise May Combat Protein Build-up Related to Alzheimer’s

A study by researchers at UCLA’s Semel Institute for Neuroscience and Human Behavior has found that a healthy diet, regular physical activity and a normal body mass index  can reduce the incidence of protein build-ups that are associated with the onset of Alzheimer’s disease.

The study found that each one of several lifestyle factors — a healthy body mass index, physical activity and a Mediterranean diet — were linked to lower levels of plaques and tangles on the brain scans.

“The study reinforces the importance of living a healthy life to prevent Alzheimer’s, even before the development of clinically significant dementia. This work lends key insight not only into the ability of patients to prevent Alzheimer’s disease, but also physicians’ ability to detect and image these changes.”

Source & further reading:
Corina Marinescu

Perseid Fireball at Sunset Crater

On the night of August 12/2016, this bright Perseid meteor flashed above volcanic Sunset Crater National Monument, Arizona, US, planet Earth. Streaking along the summer Milky Way, its initial color is likely due to the shower meteor's characteristically high speed. Entering at 60 kilometers per second, Perseid meteors are capable of exciting green emission from oxygen atoms while passing through the tenuous atmosphere at high altitudes.

Also characteristic of bright meteors, this Perseid left a visibly glowing persistent train. Its evolution is seen over a three minute sequence (left to right) spanning the bottom of the frame.

Image & info via APOD
Image Credit & Copyright: Jeremy Perez

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