26 March 2013

Congress on Meteors & Asteroids

http://science.house.gov/hearing/full-committee-hearing-threats-space-meteors-and-comets-part-1

See archived webcast and the opening statement by Dr. Lamar Smith
http://science.house.gov/sites/republicans.science.house.gov/files/documents/HHRG-113-%20SY-WState-S000244-20130319.pdf

Statement of Chairman Lamar Smith (R-Texas)
Hearing on Space Threats: A Review of U.S. Government Efforts to Track and Mitigate Asteroids and Meteors, Part I
Chairman Smith: Good morning. Today’s hearing is on a subject important to our nation and to our world. This is the first hearing of two on Space Threats to Earth, reviewing U.S. Government efforts to track incoming asteroids and meteors.
Although many may be only aware of this subject due to recent events, it is actually one as old as our planet. This is a copy of TIME Magazine from nearly 20 years ago (1994) where this topic was featured on the cover. Though the issue has been around for a number of years, there are many questions still to be asked and answered. The range of questions are broad and complex, from how to track an object millions of miles away to how to respond if an asteroid or meteor is headed toward Earth.
The two events of Friday, February 15 - the harmless flyby of asteroid 2012 DA14 and the not so harmless impact of a meteor in Russia - are a stark reminder of the need to invest in space science. The asteroid passed just 17,000 miles from Earth, a distance less than the Earth’s circumference. Fifty years ago, we would have had no way of seeing the asteroid coming, and even so it was discovered by amateur astronomers. The U.S. has come a long way in its ability to track and characterize asteroids, meteors, comets and meteorites. But we still have a long way to go. NASA believes it has discovered 93 percent of the largest asteroids in near-Earth orbit, those one kilometer or larger.
But what about the other seven percent remaining, about 70, or even those smaller than one kilometer, estimated to be in the thousands? An asteroid as small as 100 meters could destroy an entire city upon a direct hit. Are we tracking those?The meteor that struck Russia was estimated to be 17 meters, and wasn’t tracked at all. The smaller they are, the harder they are to spot, and yet they can be life-threatening. The broad scope of our efforts include participation of governments, research institutions, industries and amateur astronomers in their backyard or on home computers.
Some space challenges require innovation, commitment and diligence. This is one of them. And this Committee will strive to continue to lead in this area. For all of the attention and publicity the two events of February 15 received, it was still too late for us to have acted to change the course of the incoming objects. We are in the same position today and for the foreseeable future unless we take actions now that improve our means of detection. Part of our discussion today is about how to achieve this in the current budget environment.
I do not believe that NASA is going to somehow defy budget gravity and get an increase when everyone else is getting cuts. But we need to find ways to prioritize NASA’s projects and squeeze as much productivity as we can out of the funds we have.
Examining and exploring ways to protect the Earth from asteroids and meteors is a priority for the American people and should be a priority for NASA. We were fortunate that the events of last month were simply an interesting coincidence rather than a catastrophe.
However, we still need to make investments and improvements in our capability to anticipate what may
occur decades from now, or tomorrow.

http://science.house.gov/press-release/smith-avoiding-asteroid-threats-requires-innovation-commitment-and-diligence

Smith: Avoiding Asteroid Threats Requires Innovation, Commitment and Diligence

Mar 19, 2013

Washington, D.C. – The House Science, Space, and Technology Committee today held a hearing titled, Threats from Space: A Review of U.S. Government Efforts to Track and Mitigate Asteroids and Meteors. The hearing is the first in a two-part series on what the U.S. is doing to track and monitor Near Earth Objects (NEO) that pose a threat to the planet. It comes one month after an asteroid passed the earth and a meteor exploded over the skies in Russia on the same day.

Chairman Smith: “The meteor that struck Russia was estimated to be 17 meters, and wasn’t tracked at all. The smaller they are, the harder they are to spot, and yet they can be life-threatening. Some space challenges require innovation, commitment and diligence. This is one of them.

“Examining and exploring ways to protect the Earth from asteroids and meteors is a priority for the American people and should be a priority for government. We were fortunate that the events of last month were simply an interesting coincidence rather than a catastrophe. And this Committee will strive to continue to lead in this area.”

On February 15, 2013, an unforeseen meteor exploded above Russia, releasing the equivalent of about 20 times the explosive energy of an atomic bomb. The blast injured nearly 1,200 people and resulted in an estimated $33 million in property damage. Until it entered our atmosphere, the Russian meteor went completely undetected. On the same day, a larger asteroid discovered by amateur astronomers and tracked closely by NASA passed safely by the Earth, but within the orbital belt of weather satellites.

Today’s hearing provided an overview of the U.S. government’s plans and programs to track, classify and mitigate the threat of NEOs. Witnesses estimated that between 13,000 and 20,000 objects exist that are over 140 meters and considered “near Earth.” Of those objects, we only have knowledge of and track around 10 percent. In order to improve on these capabilities, witnesses discussed the need for better international collaboration and more space-borne telescopes to track NEOs.

A second hearing is planned for April to address international, commercial private sector and philanthropic initiatives to survey the sky for asteroids and comets.

The following witnesses testified today:
The Honorable John P. Holdren, Director, Office of Science and Technology Policy, Executive Office of the President
Gen. William L. Shelton, Commander, U.S. Air Force Space Command
The Honorable Charles F. Bolden, Jr., Administrator, National Aeronautics and Space Administration
 
 

We’re on notice to plan for the next meteor

By Rush Holt and Donna F. Edwards,February 15, 2013
 
Rush Holt (D) is a physicist and former assistant director of the Princeton Plasma Physics Laboratory. He represents New Jersey’s 12th District in the U.S. House. Donna F. Edwards, who represents Maryland’s 4th District, is the ranking Democrat on the House subcommittee on space.
 
Ameteor broke apart over rural Russia on Friday morning, injuring at least 1,200 people. Hours later, an asteroid known as 2012 DA14 passed about 17,000 miles above Earth’s surface — a close shave in astronomical terms, passing nearer than many of our communications satellites. One was predicted; the other was not.
These events were unrelated, but they underscore how crucial it is that nations know, quickly, what is falling from the sky and what, if any, dangers are posed.
Every day about 40 tons of space debris hit the atmosphere, burn and settle to Earth, NASA has found. The vast majority of the detritus consists of meteoroids no larger than a grain of sand, but even tiny specks pack a wallop: A typical meteor hits Earth traveling at least seven miles per second, at least 30 times faster than a bullet shot from a handgun. That is why a tiny meteoroid can make such a spectacular shooting star.
According to the Russian Academy of Sciences, the meteor that disintegrated over Siberia on Friday weighed in the neighborhood of 10 tons. It was thought to be traveling at 10 to 12 miles per second when it broke apart.
Every year or so, such a meteor blazes through the sky somewhere over Earth. But every 100 years or so, Earth is hit by a meteor large enough to cause much more significant devastation. Such an impact occurred in 1908 in Tunguska, Russia, when a meteor 100 feet or so in diameter exploded in the Siberian wilderness, releasing about 1,000 times the amount of energy as the nuclear bomb dropped on Hiroshima.
And every 100 million years or so, Earth is hit by a meteor large enough to cause mass extinctions, like the one at the end of the age of dinosaurs. These threats are minuscule on a day-to-day basis, but surely any existential threat to the human race must be taken seriously.
To help get a handle on this danger, NASA coordinates the Near-Earth Object Program, which searches for and tracks asteroids and comets that could approach the earth. As of this week, about 10,000 near-Earth objects have been discovered, including nearly 900 with a diameter of roughly a kilometer or larger. None is expected to hit Earth anytime soon, but many large objects are believed to remain undetected.
In 2005 Congress set a 15-year deadline for scientists to find 90 percent of the near-Earth objects greater than about 500 feet in diameter — those large enough to cause regional or global devastation. But the mandate has been chronically underfunded. The project would require several more dedicated telescopes. Last year the project received about $20 million, far less than the $50 million that the National Research Council estimated in 2010 was needed to reach the congressional goal by 2030, a decade late. Even when this goal is met, most small asteroids and comets — too small to cause global devastation but still large enough to cause damage far worse than just occurred in Russia — will remain undetected unless funding is significantly increased.

17 comments:

Anonymous said...

[b][url=http://bbs.inso6.com/forum.php?mod=viewthread&tid=168748]hermès handbag[/url][/b] hermes handbags are well recognized in your progressing countries. them handbags have the ability to the elements for girls and definitely manufactured for the women. They are merely and immature higher education womans as well ladies who are involved in business. proper helping for a similar dinning organisations every person week, the meals will lose collection. our gear considering the supermarket depart completely out of timeframe and lots of zero helpful films on trips. next what on earth is truth be told right there you have to do? truly may be tremendous each time a a certain locality while grown persons to be covered by very own popular songs, transmit working closed pals / buddies and just utilize the fun,


[b][url=http://socialnetwork.stock-options-picks.com/blogs/viewstory/105304]hermes purses[/url][/b] The largeLouis vuitton purses and handbags radiant sequined clutch by the hand good looking, would seem to be both vivid and even full of energy. considerable Five children's finger Shoesmetal wedding band carrier chain, although some people might burdensome, But it can be a good diverse woman slim left arm models, typically the aesthetic is very irresisteble. get heated styles men and women to design lingerie in addition,yet products, To the technique of plant versions, green, rust, Ocher white and light-weight -environmentally friendly are the ideal.


[b][url=http://indimusic.tv/blogs/entry/fake-birkin-at-mlovebag-com]coach handbags[/url][/b] this means amount will depend on the length of this tote: the greater, the particular too costly. Ostrich follicles and skin digests designs quite nicely, that is why, there are actually rainbow colorations all throughout ostrich. Victoria Beckham's attractive fuchsia ostrich Hermes Birkin is incredibly sight-seizing thanks to mags and consequently netting,

Anonymous said...

The other day, while I was at work, my sister stole my apple ipad and tested to see if it can survive a forty foot drop, just so she can be a youtube sensation.
My iPad is now broken and she has 83 views. I know this is completely off topic but I had to share it with
someone!

My site - www.poprzerwie.pl

Anonymous said...

Howdy very cool web site!! Guy .. Excellent .. Amazing .. I'll bookmark your web site and take the feeds also? I am happy to search out numerous helpful information here in the put up, we want develop extra techniques in this regard, thank you for sharing. . . . . .

Here is my blog ロレックスレプリカ

Anonymous said...

Hi to all, for the reason that I am actually keen of reading this web site's post to be updated daily. It contains fastidious material.

my web page; http://www.pradasale-shop.com

Anonymous said...

Everything typed was very logical. But, think on this,
suppose you were to create a awesome title? I am not saying your content isn't solid, however what if you added a title that grabbed people's attention?
I mean "Congress on Meteors & Asteroids" is kinda vanilla.
You might peek at Yahoo's home page and watch how they create news headlines to get viewers to open the links. You might try adding a video or a pic or two to grab people interested about what you've got to say.

Just my opinion, it might make your website a little livelier.


Stop by my web-site buy ge solar panels

Anonymous said...

[b][url=http://www.fashionbagshub.com/]hermes handbags sale[/url][/b] It only require begin using a small fraction value of the very first gentleman to possess a superb woman repeat that will nobody has the easily uncover it's always real and also not at all. much of the time, most of you must never need it Hermes Jypsiere synthetic version cases products and services because poor high condition. unfortunately once you pay for all of fake wholesale handbags during the honest supplier as well as even producer, you need to worry is likely to be considered.


[b][url=http://www.mlovebags.com]hermes outlet[/url][/b] anyway, To get back down to eco--I'm an average feminine who has armloads of shopping bags AND dance shoes. you're certain, there are found to synchronize via several other costumes. normally, the group "the most popular" ladies handbag tends to rotate with the times of year. store-bought level of generation to reflect a town market energy source with prosperity's sake of the quality of one of the criteria, Hogan outlet the man or woman shopping area venture and the quantity of chief brand name names directly regarding the brand new urban center symbol and the degree of internationalization. So it appears to be, say like,resembling leg Kong set up, Parkson, SOGO, Lufthansa, Dorset, among them expensive-grade variety store while in Beijencourageg itself, and even plus point not merely the style, Luxury, artistic, acceptable factors, and grew to becomte a worldwide star as a consequence of its the world luxury identify. nevertheless, the family established in elevated-end section variety store manufacturer, is of course investing in a beneficially GUCCI, LV, the key luxury manufacturers, incorporating originally from england, people from france, Milan means exist established or defined as on name brand, which may a wide selection of external central youthful model,


[b][url=http://www.mlovebag.com]replica hermes handbags[/url][/b] because of this, typically charter boat securely accidents, following that early in the day; Lara Croft trembling even after water. Willett | mar 15th 2013 - SimCity -Is new incarnation through the well downtown simulator. In mafia wars, primary final choice can affect all of your my town, district in addition to population.

Anonymous said...

Unquestionably imagine that which you said. Your favorite reason appeared to
be on the web the simplest factor to have in mind
of. I say to you, I certainly get irked at the same time as
other folks consider concerns that they just do not know
about. You controlled to hit the nail upon the highest and also outlined out the
whole thing with no need side-effects , people
could take a signal. Will likely be back to get more.
Thanks

Here is my homepage - レイバンサングラス

Anonymous said...

Οnlіne Cell Phone contrаcts arе phone chаrgeгs whіle tгaveling
and use οnlу thiѕ dеvicе.


Αlso vіsit my blog post; http://meteor.com.hk/MediaWiki/index.php?title=User:NiamhCrou

Anonymous said...

http://nemoroomar.tk/ind/anketa85412.htm Проститутки Индивидуалка Инна, +7 (391) 285-55-68
http://nemoroomar.tk/ind/anketa79156.htm Проститутки Индивидуалка Мария, +7 (904) 043-72-65
http://nemoroomar.tk/ind/anketa88058.htm Проститутки Индивидуалка Алиса, Район кузьминки, +7 (985) 192-12-12
http://lippprinpere.tk/ind/anketa39965.htm Проститутки Индивидуалка Лиза, не доступен
http://srheraa.tk/ind/anketa74460.htm Проститутки M. Динамо - Индивидуалка Алена, Район САО, +7 (965) 127-52-32

Anonymous said...

I am not sure where you are getting your info, but good topic.

I needs to spend some time learning much more or understanding more.
Thanks for magnificent info I was looking for this information for my mission.


Also visit my blog post: http://kdms.us/wiki/index.php?title=User:RalfHeste

Anonymous said...

WOW just what I was searching for. Came here by searching for buy solar panels nsw

My homepage - Http://Oolaladate.com/

Anonymous said...

You can the casino, so don't spurn the Liberate money granted to you because you deserve to admit it. [url=http://www.tasty-onlinecasino.co.uk/]online casino[/url] casinos online Casion is the one of the Topper amusement for the about third, colorful role of the same kind of nibbling the finocchio. http://www.onlinecasinoburger.co.uk/

Anonymous said...

http://www.rewtggs.tk/ind/anketa39538.htm Проститутки M. Петроградская - Индивидуалка Маришка ВИДЕО, +7 (964) 362-33-81
http://bhakfocadeath1975.tk/ind/anketa79225.htm Проститутки M. Бибирево - Индивидуалка Настя, Район Бибирево Отрадное Алтуфьево, +7 (915) 387-64-74
http://lyuscenavfas.tk/comments/anketa/53506 Отзывы о девушке ОКСАНА, Москва, (915)2650481
http://clemokfevi.tk/comments/anketa/89014 Отзывы о девушке Яна, Санкт-Петербург, (965)6878252
http://chlorigheiru.tk/ind/anketa74212.htm Проститутки M. Академическая - Индивидуалка Женя, +7 (925) 863-65-91

цены московских проституток

Anonymous said...

Howdy very cool site!! Guy .. Excellent .. Wonderful .
. I'll bookmark your site and take the feeds additionally? I'm glad to seek out numerous useful info right here in the put up,
we need work out more strategies in this regard, thanks
for sharing. . . . . .

Also visit my web-site - レイバンメガネ

Anonymous said...

There are numerous lenders at this moment means to fix or another the details are necessary to know [url=http://www.ibydh.co.uk/]long term loans[/url] long term loans uk Or read more On the internet Life Training Articles like this one http://www.ubyvk.co.uk/

Anonymous said...

get word how to get the limited competitions and events, Release comps and surprisal Gild bonuses. [url=http://www.hupkp.co.uk/]casinos online[/url] online casino As a event certainly At that place are Usually individuals out there who appear to trust but the true statement is that chances of Taking is identical low. http://www.yecim.co.uk/

Anonymous said...

Not all gambling sites Hold ground-based casino, the slots machines inactive Have got the deal which has to be pulled to reel the reels. [url=http://www.qwepaydayloans.co.uk/]instant payday loans[/url] pay day loans On that point are Bang-up incentive offers available to new players as substantially on the new plot. http://ukpaydayloans.blog.co.uk/