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Universe Today

Space and astronomy news since 1999!

Universe Today is a popular website that provides the latest news about space and astronomy.


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Recent Popular Posts
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About 10 weeks ago Astronomy Cast Podcast Ep. 332: Stellar Collisions

Out here in the Milky Way’s suburbs, stellar collisions are unheard of. But there are places in the galaxy where stars whiz past each other, and collisions can happen. When stars collide, it’s a catastrophic event, and the stellar wreckage is visible half a galaxy away.

http://www.astronomycast.com/2014/02/ep-332-stellar-collisions/



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About 12 weeks ago Black Holes No More? Not Quite.

Nature News has announced that there are no black holes.  This claim is made by none other than Stephen Hawking, so does this mean black holes are no more?  It depends on whether Hawking’s new idea is right, and on what you mean be a black hole.  The claim is based on a new paper by Hawking  that argues the event horizon of a black hole doesn’t exist.

Read more: http://www.universetoday.com/108561/black-holes-no-more-not-quite/



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About 8 weeks ago Runaway Star Shocks the Galaxy!
The bright blue star at the center of this image is a B-type supergiant named Kappa Cassiopeiae, 4,000 light-years away. As stars in our galaxy go it’s pretty big — over 57 million kilometers wide, about 41 times the radius of the Sun. But its size isn’t what makes K Cas stand out — it’s the infrared-bright bow shock it’s creating as it speeds past its stellar neighbors at a breakneck 1,100 kilometers per second.

Read more: http://www.universetoday.com/109619/runaway-star-shocks-the-galaxy/

Image: NASA/JPL-Caltech




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About 10 weeks ago Kapow! Black Hole’s Jet Highlights A Galactic ‘Dust Lane’ 12 Million Light-Years Away

This image, right here, shows us the value of long-term observations. It’s a composite of pictures taken between 1999 and 2012 from NASA’s Chandra X-ray Telescope. Put 9.5 days’ worth of observations together, and you can see a lot of action in Centaurus A — namely, a huge jet emanating from a ginormous black hole embedded in the galaxy.

Read more: http://www.universetoday.com/109139/kapow-black-holes-jet-highlights-a-galactic-dust-lane-12-million-light-years-away/#ixzz2sf7uJ9pT



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About 8 weeks ago Watch Saturn Slip Behind the Moon
On the morning of Saturday, Feb. 22, the Moon drifted in front of the planet Saturn from the point of view of certain locations on Earth. Luckily one of those locations was Perth, Australia, where astrophotographer Colin Legg happens to be, and thus we all get to enjoy the fantastic results of his photographic and astronomical acumen.

Watch the video: http://www.universetoday.com/109720/watch-saturn-slip-behind-the-moon/

Image © Colin Legg




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About 4 weeks ago Amazing Aurora in Alaska, March 2014

Every year, our friend and astrophotographer extraordinaire +John Chumack  co-leads a tour to Alaska on how to photograph the northern lights and the night sky, and this year they hit paydirt. “Absolutely amazing aurora about 30 minutes outside Fairbanks, Alaska!!!!” John wrote via email. “I took over 450 photos of it, I watched it dance and sway from 9:30pm until 4:00am!!! It got so bright at times it turn the snow green, to red to purple too!”

Read more: http://www.universetoday.com/110707/amazing-aurora-in-alaska-march-2014/#ixzz2wurcESOq



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About 9 weeks ago Runaway Pulsar Produces Longest Jet Trail Ever Observed

One of the fastest-moving pulsars ever observed is spewing out a record-breaking jet of high-energy particles that stretches 37 light years in length – the longest object in the Milky Way galaxy.

Read more: http://www.universetoday.com/109531/runaway-pulsar-produces-longest-jet-trail-ever-observed/#ixzz2tjE5YhdL



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About 2 weeks ago WOW! Stunning Aurora at Mount Kirkjufell in Iceland

Wow! Mount Kirkjufell is a well-known and often-photographed landmark, and there are many who say it is the most beautiful mountain in Iceland. Photographer Nanut Bovorn captured Kirkjufell in all its glory on April 2, 2014, surrounded by starry skies and an incredible aurora. Simply stunning.

Read more: http://www.universetoday.com/110986/stunning-aurora-at-mount-kirkjufell-in-iceland/#ixzz2xwdfmsM1



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About 10 weeks ago Black Holes Warmed Up Space Slower Than Previously Thought: Study

Black holes are big influencers for the early universe; these singularities that were close to ancient stars heated up gas and affected star formation across the cosmos. A new study, however, says that heating happened later than previously thought.

Read more: http://www.universetoday.com/109025/black-holes-warmed-up-space-slower-than-previously-thought-study/



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About 9 weeks ago Is Eta Carinae Heading Toward Another Eruption?

Massive stars can devastate their surroundings, unleashing hot winds and blasting radiation. With a mass over 100 times heavier than the Sun and a luminosity a million times brighter than the Sun, Eta Carinae clocks in as one of the biggest and brightest stars in our galaxy.

Read more: http://www.universetoday.com/109536/is-eta-carinae-heading-toward-another-eruption/#ixzz2tmg370rK