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In honor of tonight's 'Blue Moon,' astronaut Scott Kelly aboard the International Space Station posted this image and wrote, "TGIF Here's a preview of tonight's rare celestial surprise. #BlueMoon on the rise. #YearInSpace."

'Once in a Blue Moon' typically means rare or absurd. This year, it means tonight! According to modern folklore, the second full moon in a month is a "Blue Moon." But of course that doesn't mean it's necessarily blue. Step outside at sunset, look east and see what color presents itself.

To learn more about 'Blue Moons,' watch: https://youtu.be/XyBp-EYrwTA
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Google may soon offer a new version of its Google Glass wearable later this fall. A new report says that the company will keep the hype down on this release, as it plans to offer it to businesses working in healthcare, manufacturing, and energy.
Google may soon offer a new version of its Google Glass wearable later this fall. A new report says that the company will keep the hype down on this release, as it plans to offer it to businesses working in healthcare, manufacturing, and energy. According to The Wall Street Journal's sources, the plan is to give versions of the new Google Glass model to software developers who can...
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Hopefully Google has learned its lesson from its disastrous too-early release of this product.
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Graphene kirigami could lead to flexible, nanoscale machines
Cornell physicists found yet another use for graphene.
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CA offers $75,000 to catch firefighter-interrupting drone pilots
San Bernardino County officials are offering money to people who can give them info about the drone pilots who interrupted their aerial firefighters in three different instances.
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Thinking of buying a +Tesla Motors​ Model S? Use my owner referral link -- http://ts.la/craig9006 -- and get $1,000 off the price. 
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A rainy forecast is no big deal. #XperiaZ4Tablet
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OnStar hack remotely starts cars, GM working on a fix
Hacker Samy Kamkar unveiled his latest triumph this morning: OwnStar, a tiny box that acts as a Wi-Fi hotspot and intercepts commands sent from a driver's OnSta...
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Telescopes Team Up to Find Distant Uranus-Sized Planet Through Microlensing

NASA's Hubble Space Telescope and the W. M. Keck Observatory in Hawaii have made independent confirmations of an exoplanet orbiting far from its central star OGLE-2005-BLG-169 about 8,800 light-years away in the constellation Sagittarius. The planet was discovered through a technique called gravitational microlensing. This finding opens a new piece of discovery space in the extrasolar planet hunt: to uncover planets as far from their central stars as Jupiter and Saturn are from our sun. 

Full story here:
http://hubblesite.org/newscenter/archive/releases/2015/27/full/

Video simulation showing the 22-year journey of a star moving through space and passing directly in front of a more distant background star.
https://youtu.be/z75aHv9SpVg

Gravitational Lensing

Gravitational lensing (http://bit.ly/1DAuHQM) is the bending of light from a distant source by a massive object (such as a galaxy cluster) in front of it. Spacetime around the massive object is curved as predicted by Albert Einstein's general theory of relativity.

Gravitational lenses can be used to see very distant galaxies, pretty much acting as magnifying glass. A good example for this would be the gigantic galaxy cluster Abell 2744 (http://1.usa.gov/1DAuDAk) showing us objects estimated to be more than 13 billion light-years away.

Gravitational microlensing

In this particular case gravitational microlensing was used for the observation. Instead of the lens being an enormously massive object like a galaxy or galaxy cluster in microlensing the lens is a - still massive, but much less so - planet or star. Microlensing doesn't produce an image that could be resolved with a telescope but relies on observing the apparent brightening of the source caused by the gravity of the microlens bending the light (where light should be understood as any kind of electromagnetic radiation since the microlensing effect is wavelength-independent).  More on that here:
https://en.wikipedia.org/wiki/Gravitational_microlensing

Image credit: NASA, ESA, and A. Feild (STScI) http://bit.ly/1ORcodP

#science   #hubble   #keckobservatory   #exoplanet   #gravitationallensing   #gravitaionalmicrolensing   #space  
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although PC collects loads of trash and bug is it's best friend still hate Macs :D
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