NASA spots comet that could be the brightest in decades

It may not be as spectacular has the asteroid that flew over Russia back in February, but researchers and astronomers have been eyeing a particular comet in the skies that will pass by Earth later this year, and it’s said that it has the potential of being one of the brightest comets we’ll have seen in 50 years.

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Astronomers and researchers from the University of Maryland and Lowell Observatory have used NASA’s Swift satellite to observe comet C/2012 S1 (or more colloquially known as comet ISON). The comet is entering the inner solar system as we speak, and it’s expected to round the sun in late November. It will then shoot out of the solar system, making a pass near Earth while doing so.

What makes this comet particularly unique, however, is that it’ll graze past Mars, and will then come blazingly close to the sun. Comet ISON is essentially a clump of frozen gases mixed with dust, but when getting close to the sun, these kinds of comets will emit the gas and dust, which turns the icy material from a solid to gas, creating a beautiful tail that trails behind the comet.

Calculating the amount of gas that comet ISON is giving off, scientists and researchers have estimated that ISON’s nucleus is about three miles in diameter, which is actually a typical size for a comet. After rounding the sun and making its way out of the solar system, ISON will pass by Earth on December 26, coming as close as 39.9 million miles from our planet.


NASA spots comet that could be the brightest in decades is written by Craig Lloyd & originally posted on SlashGear.
© 2005 – 2012, SlashGear. All right reserved.

Watch as Last Week’s Asteroid Decides to Fly by Instead of Destroying Us All

That little, white pixelated bean spinning around above might look more like a bad 80s video game than the near-messenger of quick and devastating apocalypse, but that’s what happens when you’re taking shots 74,000 miles away from your subject. What you’re seeing is, in fact, 2012 DA14 at a resolution of around 13 feet per pixel over an 8 hour period just as it was mercifully passing our beautiful space marble by on the evening of February 15. More »

Fireball makes its way across the sky in Northern California

It looks like Russia isn’t the only place getting some astronomical action. Within the same day that a meteor exploded over Russia and injured around 1200 people, folks over in Northern California spotted a ‘meteor’ zipping across the sky. The spectacle was caught on video by a couple of people driving in the San Francisco area. Not too long after the video was posted, many others took to social media to announce their sighting of the ‘meteor’ as well.

Northern California Meteor

But unfortunately, to rain on everyone’s parade, Mike Hankey, Operations Manager for the American Meteor Society at Pennsylvania State University, stated that what the Californian’s saw wasn’t a meteor, but rather just a fireball. He says, “Fireballs happen every single night, all around the world,” downplaying everyone’s enthusiasm. Hankey also states that the excitement from the Russian meteor that happened earlier had people more attentive to the things happening in the sky.

While it’s true that fireballs do occur every night, it’s still exciting to see the “shooting star” that we hear about in fantasies and children’s books. And while Hankey downplays the excitement of the Calfornia Fireball and labels it as commonplace, Jonathan Braidman, Hankey’s colleague, says,”This is a very common occurence. What is uncommon is that it’s so close to where people are living.”.

The people in California should be thankful that the fireball they witnessed wasn’t as dangerous as the meteor in Russia. The meteor, which injured 1200 people, also shattered windows from 4,000 buildings. Mikhail Yurevich, governor of Chelyabinsk, says that the damage amounted to the power of 20 atomic bombs, and also caused about $33 million worth of damage. So California, it looks like you dodge a bullet there.

[via International Business Times]


Fireball makes its way across the sky in Northern California is written by Brian Sin & originally posted on SlashGear.
© 2005 – 2012, SlashGear. All right reserved.

Scientist propose solar-based DE-STAR asteroid destroyer

It has been an eventful year for space enthusiasts, with it seeming like a new asteroid is announced every week, each one coming closer and closer to our blue marble. Then, just a few days ago, a large asteroid smashed into Russia, injuring over 1000 people. Now a researcher and a physicist have teamed up to propose a solution to the problem – a laser-beam generating solar-based asteroid destroyer that could destroy a space rock half the size of a football field in 30 minutes.

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Philip M. Lubina, a physicist and professor from the University of California Santa Barbara, and Gary B. Hughes, a researcher and professor from California Polytechnic State University are responsible for the concept, which you can see in the image above. The project is called DE-STAR, which stands for Directed Energy Solar Targeting of Asteroids an exploRation.

The system will work by using solar panels to turn energy from the sun into a “phased array” of individual laser beams that are channeled into a single mega-laser beam that eradicates the asteroids, a la the Death Star. If the asteroid is too large, DE-STAR would work by deflecting it away from our fragile planet. The best part? The concept is based on technology that is widely available now.

Said Hughes, one of the two who developed the concept: “This system is not some far-out idea from Star Trek. All the components of this system pretty much exist today. Maybe not quite at the scale that we’d need –– scaling up would be the challenge –– but the basic elements are all there and ready to go. We just need to put them into a larger system to be effective, and once the system is there, it can do so many things.”

[via UCSB]


Scientist propose solar-based DE-STAR asteroid destroyer is written by Brittany Hillen & originally posted on SlashGear.
© 2005 – 2012, SlashGear. All right reserved.

What’s the Difference Between an Asteroid and a Meteor?

Today, we dealt with an asteroid and a meteor. The 2012 DA14 asteroid zipped passed Earth today and a meteor exploded over Russia. What the heck is the difference between an asteroid and a meteor? And a meteorite? And a meteoroid? Not too much, apparently! More »

The Engadget Interview: NASA astrobiologist Dr. David Morrison talks asteroids and the end of the world

The Engadget Interview NASA astrobiologist Dr David Morrison talks Asteroids and the end of the world

Between the recent meteorite strike and our close call with 2012 DA14, we’ve all been thinking an awful lot about potential impact hazards from the heavens. Thankfully, however, during our visit to NASA Ames last week, much of our fear was put to rest by astrobiologist Dr. David Morrison, the scientist who coined the word “cosmophobia” to describe the fear of external impacts on Earth. Morrison, who recently served as one of the go to sources for science fact (and common sense) in stories about the 2012 Mayan Apocalypse speculation, spoke to us about the likelihood of major asteroid impact on Earth — and what we can do to stop it. Hang around after the break to check out our full interview with the good space doctor.

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This Morning’s Google Doodle You Weren’t Meant to See

Google, topical as always, prepared one of its famed doodles in celebration of today’s passing asteroid and the fact that we’re all not post-apocalyptic shadows of our former selves. The Google Doodle team, however, couldn’t have anticipated how unfortunately relevant they actually would be following the unexpected and destructive meteor explosion over Russia. More »

10-Ton Meteorite Crashes In Russia Injuring Nearly 1,000 People

For the past week, news stations around the world have been mentioning an asteroid called DA14  is expected to pass extremely close to Earth some time on February 15. What we didn’t expect was for another completely unrelated 10-ton meteorite to crash to Earth earlier this morning in Chelyabinsk, Russia, which is located 950 miles away from Moscow.

When the meteorite entered the Earth’s atmosphere at around 9:20 a.m. local time, it flew across the sky at 33,000 mph and broke into pieces 18 to 32 miles above ground, according to a statement released by the Russian Academy of Sciences. (more…)

By Ubergizmo. Related articles: Game of Thrones Season 3 Preview Describes The Nature Of Chaos, DeLorean Hovercraft Caught In The Wild In San Francisco,

We’re Safe! The Asteroid Goes Away

We are safe! We knew we were going to be safe, but now we know we are safe. Which is a lot nicer, don’t you think? Now all the paranoids can relax, sit back, look at the sky and wave goodbye to 2012 DA14 as it leaves us at five miles per second. More »

PSA: Asteroid 2012 DA14 will pass the Earth at 2:00pm ET

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If you fancy getting cosy with an asteroid that’s got the destructive power of a nuclear arsenal, today’s your lucky day. The wittily-named 2012 DA14 will sail past Australia at a distance of 17,510 miles early this afternoon, and while it won’t be visible with the naked eye, NASA’s got a few telescopes that’ll do the job. It’ll come into range at around 2:00pm ET, and is expected to be at its brightest about 25 minutes afterward. If your boss is sympathetic and you don’t wanna miss a thing, head on past the break to catch the livestream, which started at 12:00pm ET. As for us? We’re gonna spend the next few hours looking for Bruce Willis’ phone number.

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