06-24-2018, 11:47 AM
US steps up plan to defend Earth from asteroid impacts
... NASA joins White House and emergency officials in call for better detection and response to deadly cosmic objects
https://www.nexusnewsfeed.com/article/ge...id-impacts
... NASA joins White House and emergency officials in call for better detection and response to deadly cosmic objects
https://www.nexusnewsfeed.com/article/ge...id-impacts