Results for "ultraviolet"

NASA discovers brightest galaxy, burning with 300 trillion suns

NASA discovers brightest galaxy, burning with 300 trillion suns

NASA's Wide-field Infrared Survey Explorer (WISE) has discovered a remote galaxy, far, far away that is the brightest galaxy known to date. Researchers calculated it burns with the light of 300 trillion suns. The sheer brightness of this galaxy puts it in an entirely new class of space objects, extremely luminous infrared galaxies (ELIRGs), discovered using WISE. NASA has been using WISE, opposed to other methods, to target ELIRGs because the dust surrounding these super-luminous galaxies blocks visible light, and reduces it to infrared light.

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Hubble spots giant gas halo around Andromeda Galaxy

Hubble spots giant gas halo around Andromeda Galaxy

NASA’s Hubble Space Telescope has spotted a giant gas halo around the Andromeda Galaxy, something that is said to be so large it stretched approximately a million lightyears from the Andromeda Galaxy and halfway to the Milky Way. The discovery was made by a team of researchers being led by Notre Dame’s Nicolas Lehner, an astrophysicist. With this discovery, researchers will be able to discern more about these massive spiral galaxies, including both the Andromeda Galaxy and the Milky Way.

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Dear Mars, what’s that dust? MAVEN seeks answers

Dear Mars, what’s that dust? MAVEN seeks answers

NASA's MAVEN craft has sent back data on auroras and dust at high altitudes above Mars - the latter is a mystery to observers both amateur and professional. Back in February a couple of amateur stargazers first announced spotting this dust cloud (having spotted it all the way back in 2012). There was quite a bit of nay-saying at the time about the origin of said photos - and their resolution - so we explained why images of the dust were of such terrible quality. Now it's MAVEN's turn.

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Target ends streaming video service (you didn’t know they had)

Target ends streaming video service (you didn’t know they had)

Believe it or not, Target had a streaming video service for the past 2-years. Did you know about it? Apparently not a lot of people did, as Target has decided to shut the service down. "Target has made the decision," the company said this week "to end the services offered on Target Ticket and will be focusing efforts on other entertainment offerings." This means they'll be bringing more heat to their other, slightly more physical media. Meanwhile those that actually DID know there was a Target streaming video service and actually DID purchase videos through said service will be able to access these videos through CinemaNow.

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Planck knocks 100m years off oldest stars, no Botox needed

Planck knocks 100m years off oldest stars, no Botox needed

Age may only be a number, but it turns out some of the oldest stars in the universe could be a lot younger than believed, according to new results from the Planck telescope. While scientists had previously estimated that the first stars began to shine 440m years after the Big Bang, itself pegged at 13.8 billion years ago, new results from the decommissioned ESA space telescope suggest that may have been off by as much as 100m years. Spilling the stars' age secrets are freshly calculated maps of cosmic background radiation, that help explain when reionization of the universe began.

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New Horizons spacecraft wakes up to greet Pluto next year

New Horizons spacecraft wakes up to greet Pluto next year

It may be routine procedure, having been performed many times before, but it is symbolically one giant leap for mankind, particularly space exploration. Waking up to Russell Watson's "Where My Heart Will Take Me", long associated with space exploration and even Star Trek, NASA's New Horizons spacecraft became fully activated in preparation for its meetup with the smallest and farthest "former" member of our solar system, Pluto. It marks the near culmination of a journey that has so far lasted nearly nine years and three billion miles, the farthest any space mission has traveled to reach its target.

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TiVo adds Walmart’s VUDU video service

TiVo adds Walmart’s VUDU video service

Netflix and Hulu Plus might be the two best known video streaming services at the moment, but many competitors exist, not the least of which is Walmart's VUDU. Like some other services, VUDU allows its customers to rent and buy digital movies and TV shows, including things like flat-rate season bundles for entire series seasons. The service has long been available on many set top box devices, including various Roku models, and now it has finally arrived for those using TiVo.

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Dyson Humidifier employs UV light to keep air germ-free

Dyson Humidifier employs UV light to keep air germ-free

Dyson is really spreading its wings as far as its product lineup goes. Just last month it introduced to the world its first robot vacumm cleaner, the 360 Eye. Now, it is doing so again but with a humidifier. It doesn't have an ominous sounding name and is simply called the Dyson Humidifier. That doesn't mean, however, that it is any less interesting. This humidifier, which resembles and doubles as a bladeless fan, not only keeps your air cozily humid, it also kills germs before it distributes those water particles as well.

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Samsung Galaxy Note 4 Review: Phablet Refocused

Samsung Galaxy Note 4 Review: Phablet Refocused

Samsung can’t afford to stumble with the Galaxy Note 4. The fourth-gen phablet arrives as Samsung wakes up to a new, and not especially rewarding, phase in its mobile life: the discovery that throwing a hundred designs at the market and hoping at least some of them stick no longer has the same sales success as it once did. At a time so fiercely competitive, Samsung can’t count on simply having originally created the Note 4’s segment to commend this latest model. It needs to deliver as much in the hand as its specifications promise to on the page.

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