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KELT-9b: a Planet Hotter Than Most Stars in Our Galaxy
KELT-9b is the hottest gas giant exoplanet known so far, with a dayside temperature of 4600 K, which makes it hotter than M-type stars, and many K-type stars. It orbits HD 195689 (or KELT-9), an A-type main sequence star about 620 light-years from Earth.
This Jupiter-like world (it is 2.8 times more massive than Jupiter, but only half as dense) may be vaporized by its own star or, if gas giant planets like KELT-9b possess solid rocky cores as some theories suggest, be boiled down to a barren rock, like Mercury.
Given that the planet’s atmosphere is constantly blasted with high levels of ultraviolet radiation, KELT-9b may even be shedding a tail of evaporated planetary material like a comet.
The host star KELT-9 has a temperature of 10170 K, which is remarkable, as transiting planets are not usually detected in hot stars; as a reference, only six A-type stars were known to have planets prior to KELT-9b discovery (WASP-33, an A-type star with a temperature of 7430 K being the hottest at the moment of the discovery of KELT-9b), and no B-type stars were known (hotter than A-type stars); KELT-9, classified as B9.5-A0 or A1, is the first B-type star (or, at least, almost B-type) in which a planet has been discovered.
KELT-9b is also unusual in that it orbits perpendicular to the spin axis of the star. That would be analogous to the planet orbiting perpendicular to the plane of our solar system. One "year" on this planet is less than two days.
The planet was detected using the Kilodegree Extremely Little Telescope and the results of its unusual nature were published in 2016.
“Thanks to this planet’s star-like heat, it is an exceptional target to observe at all wavelengths, from ultraviolet to infrared, in both transit and eclipse. Such observations will allow us to get as complete a view of its atmosphere as is possible for a planet outside our solar system,” said Knicole Colon, paper co-author who was based at NASA Ames Research Center in California’s Silicon Valley during the time of this study.
► Learn more>> https://www.nasa.gov/feature/jpl/astronomers-find-planet-hotter-than-most-stars
► Paper "A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host" in Nature | Letter>> http://www.nature.com/nature/journal/v546/n7659/full/nature22392.html?foxtrotcallback=true
► Animation excerpted from this Vanderbilt University video>> https://www.youtube.com/watch?v=Z2lL-5AlvI0
#Exoplanets, #Stars, #Universe, #KELT_9b, #Research
KELT-9b is the hottest gas giant exoplanet known so far, with a dayside temperature of 4600 K, which makes it hotter than M-type stars, and many K-type stars. It orbits HD 195689 (or KELT-9), an A-type main sequence star about 620 light-years from Earth.
This Jupiter-like world (it is 2.8 times more massive than Jupiter, but only half as dense) may be vaporized by its own star or, if gas giant planets like KELT-9b possess solid rocky cores as some theories suggest, be boiled down to a barren rock, like Mercury.
Given that the planet’s atmosphere is constantly blasted with high levels of ultraviolet radiation, KELT-9b may even be shedding a tail of evaporated planetary material like a comet.
The host star KELT-9 has a temperature of 10170 K, which is remarkable, as transiting planets are not usually detected in hot stars; as a reference, only six A-type stars were known to have planets prior to KELT-9b discovery (WASP-33, an A-type star with a temperature of 7430 K being the hottest at the moment of the discovery of KELT-9b), and no B-type stars were known (hotter than A-type stars); KELT-9, classified as B9.5-A0 or A1, is the first B-type star (or, at least, almost B-type) in which a planet has been discovered.
KELT-9b is also unusual in that it orbits perpendicular to the spin axis of the star. That would be analogous to the planet orbiting perpendicular to the plane of our solar system. One "year" on this planet is less than two days.
The planet was detected using the Kilodegree Extremely Little Telescope and the results of its unusual nature were published in 2016.
“Thanks to this planet’s star-like heat, it is an exceptional target to observe at all wavelengths, from ultraviolet to infrared, in both transit and eclipse. Such observations will allow us to get as complete a view of its atmosphere as is possible for a planet outside our solar system,” said Knicole Colon, paper co-author who was based at NASA Ames Research Center in California’s Silicon Valley during the time of this study.
► Learn more>> https://www.nasa.gov/feature/jpl/astronomers-find-planet-hotter-than-most-stars
► Paper "A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host" in Nature | Letter>> http://www.nature.com/nature/journal/v546/n7659/full/nature22392.html?foxtrotcallback=true
► Animation excerpted from this Vanderbilt University video>> https://www.youtube.com/watch?v=Z2lL-5AlvI0
#Exoplanets, #Stars, #Universe, #KELT_9b, #Research
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Geekscape of the Day: The Battle of Dagobah
Artist: Jeremy Chong Visit: http://bit.ly/2vd8kjD .
Want more? Visit us over at http://geekscapes.com and see all of the archives and subscribe via RSS so you never miss an image!
Have a listen to our Geek Questioner Podcast!
Our latest episode: https://geekquestioner.com/current
#scifi #starwars #fanart #luke #vader #falcon #alternate
#gsotd #gsotd2017
Artist: Jeremy Chong Visit: http://bit.ly/2vd8kjD .
Want more? Visit us over at http://geekscapes.com and see all of the archives and subscribe via RSS so you never miss an image!
Have a listen to our Geek Questioner Podcast!
Our latest episode: https://geekquestioner.com/current
#scifi #starwars #fanart #luke #vader #falcon #alternate
#gsotd #gsotd2017
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YouTube TV Will Bring Its Service To 17 More US Markets; 46 US Markets Total
YouTube TV launched 4 months ago, but the initial launch only included five major cities. It has expanded quite a bit since then -- it is moving to smaller cities and towns around the US now. I guess they are testing the demand with a slow roll-out to ensure they don't waste too many resources on a service that flops. If it does well in these 46 US markets; Google will hopefully make it available to everyone in the US who has an internet connection. The question after that, is if and when they will bring YouTube TV to the rest of the world.
YouTube TV launched 4 months ago, but the initial launch only included five major cities. It has expanded quite a bit since then -- it is moving to smaller cities and towns around the US now. I guess they are testing the demand with a slow roll-out to ensure they don't waste too many resources on a service that flops. If it does well in these 46 US markets; Google will hopefully make it available to everyone in the US who has an internet connection. The question after that, is if and when they will bring YouTube TV to the rest of the world.
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There is a twofold relational axiom that defines all biological systems: Behaviors that are able to dynamically negotiate an environment that has both nourishing and antagonistic elements to nourish a coherent relational community, and the proportional defense of that coherence. Nourish and defend the coherence that emerges as a result of that nourishment. This is the overarching theme that defines adaptive biological systems. Here is an example of the defense portion of that theme in action:
http://www.sciencealert.com/scientists-show-how-bacteria-use-micro-daggers-to-fend-off-amoebae-and-stay-alive
http://www.sciencealert.com/scientists-show-how-bacteria-use-micro-daggers-to-fend-off-amoebae-and-stay-alive
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The Indiana Pacers have reportedly filed charges against the Los Angeles Lakers for tampering with Paul George before the All-Star was traded to the Oklahoma City Thunder. Per NBA journalist Peter Vecsey, Pacers owner Herb Simon filed the charges against the Lakers, and the NBA hired an independent law firm to investigate the matter. Tampering is rare in the NBA, though it has happened. The Atlanta Hawks, Houston Rockets and Sacramento Kings were all fined for tampering in 2013 after the league uncovered statements, emails and articles directly connected to the teams with information about players who were under contract somewhere else at the time.
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Original Moto 360 Sport to receive Android Wear 2.0 in the coming weeks
https://www.goandroid.co.in/original-moto-360-sport-recieve-android-wear-2-0-coming-weeks/68345/
#Android #Motorola #moto360sport #moto360 #androidwear
https://www.goandroid.co.in/original-moto-360-sport-recieve-android-wear-2-0-coming-weeks/68345/
#Android #Motorola #moto360sport #moto360 #androidwear
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“From Candice H. Brown Elliott on whether we should announce our presence to aliens: “Not that thought that creating even a perfect map was a good idea… frankly a truly sapient species would have understood that using Bayesian logic, that even if only a tiny handful of other species were dangerous, the risks aren’t worth taking and it would be better to keep one’s head down and NOT announce one’s presence to other sentients in the universe. (This is my favorite solutions to the Fermi Paradox.) But we are too foolish and too disunited to follow such a course.”
A lot of people feel the way you do, Candice. Sometimes, Stephen Hawking expresses similar fears. So does Elon Musk, for example. In any great endeavor into the unknown, there are naysayers. There is the sentiment, “Beware! Here be dragons!”
But the alternative goes against everything it means to be human. To remain here, alone, isolated, and “safe.” Yes, sometimes curiosity kills the cat, but you cannot stop us from being curious. We want to know, we want to explore, and we want to find out. If that is how we’ll meet our demise – no matter how unlikely that possibility is – we’ll meet it exactly the way we should: by aiming for the best possible options humanity could ever aspire to. To shoot for the planets, the stars, and the Universe beyond.
In short, I do not agree with your recommendation.”
Yes, the total eclipse is coming tomorrow! Yes, it’s super big news, and everyone is thinking about it, talking about it, and can’t wait for it. Me too! But there’s also so much else going on, and today’s a perfect time to get your weekly dose of bonus science from me. There’s a lot of ethics, right-and-wrong, and considerations for the present and future of humanity – including how we reason and what we value – that it’s important we never lose sight of.
Come get that dose here, today, on this edition of our comments of the week!
A lot of people feel the way you do, Candice. Sometimes, Stephen Hawking expresses similar fears. So does Elon Musk, for example. In any great endeavor into the unknown, there are naysayers. There is the sentiment, “Beware! Here be dragons!”
But the alternative goes against everything it means to be human. To remain here, alone, isolated, and “safe.” Yes, sometimes curiosity kills the cat, but you cannot stop us from being curious. We want to know, we want to explore, and we want to find out. If that is how we’ll meet our demise – no matter how unlikely that possibility is – we’ll meet it exactly the way we should: by aiming for the best possible options humanity could ever aspire to. To shoot for the planets, the stars, and the Universe beyond.
In short, I do not agree with your recommendation.”
Yes, the total eclipse is coming tomorrow! Yes, it’s super big news, and everyone is thinking about it, talking about it, and can’t wait for it. Me too! But there’s also so much else going on, and today’s a perfect time to get your weekly dose of bonus science from me. There’s a lot of ethics, right-and-wrong, and considerations for the present and future of humanity – including how we reason and what we value – that it’s important we never lose sight of.
Come get that dose here, today, on this edition of our comments of the week!
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On this day in STAR WARS: Wed, August 20, 1980 - The Empire Strikes Back opens for the first time in France and Switzerland
#ram1 #robmosley #ram1Aug2017 #starwars #theforce #theempire #TheEmpireStrikesBack #france #switzerland
#ram1 #robmosley #ram1Aug2017 #starwars #theforce #theempire #TheEmpireStrikesBack #france #switzerland
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Haweswater: Summer 2017, No. 2
The 2nd image from my Haweswater Summer 2017 collection https://goo.gl/dc44ye
I had some gorgeous light when I shot this, and the valley was so incredibly lush!
#landscape #lakedistrict
The 2nd image from my Haweswater Summer 2017 collection https://goo.gl/dc44ye
I had some gorgeous light when I shot this, and the valley was so incredibly lush!
#landscape #lakedistrict
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Autumn is coming
European bluberry (Vaccinium myrtillus)
Svartskog, Norway
Although it’s only end of August and the autumn seems far away, some plant species are dressed in their best autumn colors already. For some reason individual plants here and there start their autumn colors much earlier than their neighboring plants of the same species, and this one stood like a beacon of colors in a sea of green plants of various species making it stand out.
I find the autumn hues of the blueberry plant some of the most intense and diverse, and every year I study their many intricate color patterns. Some autumns every single plant is as intensely colored as the next and the forest floor is on fire for a few days before it is over and only the naked green branches are left.
Judging by the incredible colors of this specimen, this autumn might be one of those where the forest floor will be flooded with hues of red, yellow and orange.
The days ahead will tell, and I will be watching!
Image Copyright © 2017 +Morten Ross
Image Capture Date: 18 August 2017 15:21
Altitude: 38 meters
#leaves #plants #autumn #svartskog #norway
#hqspmacro +HQSP Macro
#BTPMacroPro +BTP Macro Pro
#BTPMacroPro – +BTP Macro Pro , owned by +Nancy Dempsey , curated by +Kenny Jones
European bluberry (Vaccinium myrtillus)
Svartskog, Norway
Although it’s only end of August and the autumn seems far away, some plant species are dressed in their best autumn colors already. For some reason individual plants here and there start their autumn colors much earlier than their neighboring plants of the same species, and this one stood like a beacon of colors in a sea of green plants of various species making it stand out.
I find the autumn hues of the blueberry plant some of the most intense and diverse, and every year I study their many intricate color patterns. Some autumns every single plant is as intensely colored as the next and the forest floor is on fire for a few days before it is over and only the naked green branches are left.
Judging by the incredible colors of this specimen, this autumn might be one of those where the forest floor will be flooded with hues of red, yellow and orange.
The days ahead will tell, and I will be watching!
Image Copyright © 2017 +Morten Ross
Image Capture Date: 18 August 2017 15:21
Altitude: 38 meters
#leaves #plants #autumn #svartskog #norway
#hqspmacro +HQSP Macro
#BTPMacroPro +BTP Macro Pro
#BTPMacroPro – +BTP Macro Pro , owned by +Nancy Dempsey , curated by +Kenny Jones
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Virtual reality video game about sustainable fishing practices
A group of 22 high school students is currently finishing their Foundry10 summer internships. The organization aims for a mix of arts and tech-focused projects, though this year ended up tech-heavy. The teens work with mentors who are experts in their project areas.
A group of 22 high school students is currently finishing their Foundry10 summer internships. The organization aims for a mix of arts and tech-focused projects, though this year ended up tech-heavy. The teens work with mentors who are experts in their project areas.
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2014 Player's PER Average from Regular Season and Playoffs. Those who didn't pass the 1st round don't count.
1. LeBron James - 30.2
2. Kevin Durant - 26.2
3. Chris Paul - 24.75
4. Blake Griffin - 22.8
5. LaMarcus Aldridge - 21.4
2015's top 5 - https://plus.google.com/114649433706032813933/posts/YfKZPTWSUom
1. LeBron James - 30.2
2. Kevin Durant - 26.2
3. Chris Paul - 24.75
4. Blake Griffin - 22.8
5. LaMarcus Aldridge - 21.4
2015's top 5 - https://plus.google.com/114649433706032813933/posts/YfKZPTWSUom
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Xiaomi may launch its first Android One smartphone sans MIUI
Google has been pretty constant when it comes to bringing Android One devices to more markets. Even so, these Android One smartphones are not available in too many markets, not to mention that there will not be introduced in well- developed markets where they would compete with Nexus and Pixel phones.
Nevertheless, Google continues to spread Android One love each year and another company helping the search giant doing that could be Xiaomi. The Chinese handset vendor, the fifth largest in China, is expected to launch an Android One smartphone.
The already introduced Xiaomi Mi 5X was recently spotted POSTEL, the Indonesian certifier, but unlike the device that's now selling in China, this one does not feature the proprietary MIUI.
Moreover, the description in the database confirms this version of Xiaomi Mi 5X runs software developed by Google, which could mean one thing: this is indeed an Android One device.
Unfortunately, we don't know when and where Xiaomi's Android One smartphone will be launched, but we hope Google will reveal more details during the Android O's reveal supposedly happening on August 21.
#Xiaomi #AndroidOne #China #XiaomiMiMax2 #Miui #Android #Androidnougat
Google has been pretty constant when it comes to bringing Android One devices to more markets. Even so, these Android One smartphones are not available in too many markets, not to mention that there will not be introduced in well- developed markets where they would compete with Nexus and Pixel phones.
Nevertheless, Google continues to spread Android One love each year and another company helping the search giant doing that could be Xiaomi. The Chinese handset vendor, the fifth largest in China, is expected to launch an Android One smartphone.
The already introduced Xiaomi Mi 5X was recently spotted POSTEL, the Indonesian certifier, but unlike the device that's now selling in China, this one does not feature the proprietary MIUI.
Moreover, the description in the database confirms this version of Xiaomi Mi 5X runs software developed by Google, which could mean one thing: this is indeed an Android One device.
Unfortunately, we don't know when and where Xiaomi's Android One smartphone will be launched, but we hope Google will reveal more details during the Android O's reveal supposedly happening on August 21.
#Xiaomi #AndroidOne #China #XiaomiMiMax2 #Miui #Android #Androidnougat
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The surprising thing that Trump and Obama have in common | The Independent
'... We ran these speeches through a specialised computerised content analysis program called Diction. Diction contains 33 separate dictionaries tailored to political speech. It searches texts for the words contained in the designated dictionaries and then calculates the number of words from each dictionary that would be present in a typical 500-word sample.
On two key dimensions, Obama and Trump look similar – and stand in marked contrast to all other presidents.
First, their rhetoric is much more self-referential, meaning it uses more first-person pronouns. Obama’s rhetoric is 69 percent more self-referential than the presidential average, and Trump exceeds Obama by another 20 percent.
Trump employs almost 50 percent more first-person pronouns than the second most heavily self-referential president after Obama, Gerald Ford. Trump’s rhetoric is twice as self-referential as the postwar presidential average.
Second, both Trump and Obama rank very high on measures of “tenacity.” This dictionary includes a series of words such as “must” and “need” that call for action and that “connote confidence and totality.” Obama’s rhetoric is around 45 percent more tenacious than the presidential average. Trump’s rhetoric is a bit more tenacious than even Obama’s. They are the only two presidents who substantially exceed the average.
...'
http://www.independent.co.uk/news/world/americas/donald-trump-barack-obama-speeches-surprising-thing-in-common-a7902291.html
'... We ran these speeches through a specialised computerised content analysis program called Diction. Diction contains 33 separate dictionaries tailored to political speech. It searches texts for the words contained in the designated dictionaries and then calculates the number of words from each dictionary that would be present in a typical 500-word sample.
On two key dimensions, Obama and Trump look similar – and stand in marked contrast to all other presidents.
First, their rhetoric is much more self-referential, meaning it uses more first-person pronouns. Obama’s rhetoric is 69 percent more self-referential than the presidential average, and Trump exceeds Obama by another 20 percent.
Trump employs almost 50 percent more first-person pronouns than the second most heavily self-referential president after Obama, Gerald Ford. Trump’s rhetoric is twice as self-referential as the postwar presidential average.
Second, both Trump and Obama rank very high on measures of “tenacity.” This dictionary includes a series of words such as “must” and “need” that call for action and that “connote confidence and totality.” Obama’s rhetoric is around 45 percent more tenacious than the presidential average. Trump’s rhetoric is a bit more tenacious than even Obama’s. They are the only two presidents who substantially exceed the average.
...'
http://www.independent.co.uk/news/world/americas/donald-trump-barack-obama-speeches-surprising-thing-in-common-a7902291.html
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