您现在的位置是:娛樂 >>正文
【】
娛樂6317人已围观
简介We've all seen those blockbuster movies in which scientists lay out complicated, risky plans to save ...
We've all seen those blockbuster movies in which scientists lay out complicated, risky plans to save Earth from an incoming asteroid. And those plans are almost always dependent on a bit of luck.
But what would really happen in real life?
NASA thinks it has an answer, and the space agency demonstrated that solution in a concept video (below) posted on Friday.
SEE ALSO:This is how NASA spots potentially dangerous asteroids near EarthThe video shows NASA's Double Asteroid Redirection Test (DART) vehicle deliberately crashing itself into one component of the binary asteroid system called Didymos.
"DART would be NASA’s first mission to demonstrate what's known as the kinetic impactor technique -- striking the asteroid to shift its orbit -- to defend against a potential future asteroid impact," Lindley Johnson, planetary defense officer at NASA, said in a statement in June.
The plan is part of an international effort to develop a planetary defense program to address asteroids that might pose a danger to Earth.
The kinetic impact test will be carried out years from now, beginning with the first part of the mission in 2020 with the launch of two spacecraft, and execution of the test occurring in 2022.
In addition to NASA, partners in the plan include the European Space Agency (ESA), the Observatoire de la Côte d´Azur (OCA), and the Johns Hopkins University Applied Physics Laboratory (JHU/APL).
It may be years before we find out if this is effective, but at least we're finally coming up with extinction-level event asteroid contingency plans that don't include migrating to Mars with Elon Musk.
Featured Video For You
SpaceX did something amazing over the weekend
Tags:
转载:欢迎各位朋友分享到网络,但转载请说明文章出处“夫榮妻貴網”。http://www.new.maomao321.com/news/41b55999399.html
相关文章
The U.S. will no longer have the final say on internet domain names
娛樂The National Telecommunications Information Admistration (NTIA) announced via 。 blog post 。on Tuesday ...
【娛樂】
阅读更多Rudy Giuliani (almost definitely) farted while flailing to overturn Michigan election results
娛樂A simple truth: Farts are funny. Try as you might, no one — no person with a shred of humanity ...
【娛樂】
阅读更多How to get in
娛樂Essentials Weekspotlights unexpected items that make our daily lives just a little bit better.During ...
【娛樂】
阅读更多
热门文章
- Florida hurricane forecast remains uncertain, but trends in state's favor
- First reaction to "Wonder Woman 1984": Wonderful, hopeful, original
- Trump spends final day of campaign trashing Lady Gaga and 'Beyonsee'
- 11 amazing photos that will erase your insect fears
- U.S. government issues warning on McDonald's recalled wearable devices
- In praise of taking yourself seriously on dating apps
最新文章
Ivanka Trump's unpaid interns share cringeworthy financial advice
One simple tweak to California's car culture could help save the world
Celebrate Halloween 2020 online with all these great costume photos
How classic video game remakes took the edge off 2020
Samsung Galaxy Note7 teardown reveals the magic behind the phone's iris scanner
Thanks to Covid, Amazon warns holiday shoppers to 'order early'