Nature

Asteroid alert: NASA just tracked a large space rock narrowly miss Earth by 50,000MPH

(*) (**)(***) (****)Express. Home of the Daily and Sunday Express.(*****) (******)(*******)(********) (*********)(**********)(***********)(************)(*************) asteroid came flying past Earth perilously close in the early evening hours of September 9. NASA estimated the rock came closest to Earth around 8.(************************************************************************)pm BST (7.(************************************************************************)pm UTC). The asteroid’s flyby was tracked by NASA’s Centre for Near Earth Object Studies (CNEOS) at the California Institute of Technology. NASA’s CNEOS tracks all asteroids and comets that threaten to strike Earth.(**************)(***************)(****************)The asteroid, dubbed by NASA Asteroid (********************************************) RG2, is an Apollo-type Near-Earth Object or NEO.(**************)(****************)Apollo asteroids fly around the inner rings of the solar system on a trajectory similar to Asteroid (**********************************************) Apollo.(**************)(****************)NEOs, on the other hand, are all comets and asteroids that closely orbit the Earth.(**************)(****************)Occasionally, an NEO like RG2 will catastrophically cross paths with our home planet.(**************)(****************)(*****************)READ MORE: How often do asteroids hit Earth? What is the risk of impact?(******************)(**************)(*******************)(***************)(****************)(********************)(*********************)(**********************)(*******)(***********************)(************************)(*************************)(**************************)(**************)(****************)(****)NASA asteroid: A speedy asteroid will come zipping past Earth on September 9 (****)(Image: GETTY)(*****)(*****)(**************)(*******************)(***************)(****************)(********************)(*********************)(***************************)(*******)(***********************)(************************)(**************)(****************)(****)Asteroid fact box: Interesting facts and figures on asteroids (****)(Image: GETTY)(*****)(*****)(**************)(*******************)(****************)NASA said: “As they orbit the Sun, Near-Earth Objects can occasionally approach close to Earth.(**************)(***************)(****************************)(****************) Near-Earth Objects can occasionally approach close to Earth(**************)(****************)NASA(**************)(*****************************)(*******************)(***************)(****************)“Note that a ‘close’ passage astronomically can be very far away in human terms: millions or even tens of millions of kilometres.”(**************)(****************)The US space agency estimates Asteroid RG2 measures somewhere in the range of (*********************************************************************)ft to (******************************************************************).6ft (8.9m to (***********************************************************************)m).(**************)(****************)When a (******************************************************************).6ft ((***********************************************************************)m) rock exploded over Russia’s Chelyabinsk Oblast in (*********************************************), the shockwave blew out windows in a wide radius and injured more than 1,(*************************************************************************) people with shards of glass.(**************)(****************)(*****************)READ MORE: (****) (*****)Scientist warns deadly asteroid will hit Earth(******************)(**************)(*******************)(***************)(****************)At the time, NASA dubbed the unexpected asteroid strike a “wake-up call” to the threats lurking in space.(**************)(****************)Asteroid RG2 made a so-called Earth Close Approach last night but, thankfully, it did not hit the planet.(**************)(****************)The space rock closed-in on Earth at breakneck speeds of around (**********************************************************************).(***************************************************************)km per second or (*******************************************************************),(***********************************************************)mph ((*****************************************************************),(************************************************************)kph).(**************)(****************)At its closest approach, the asteroid near-missed the Earth from a distance of approximately 0.(*******************************************************) astronomical units (au).(**************)(****************)(*****************)READ MORE: ‘God of Chaos’ asteroid more likely to hit Earth than plane crash(******************)(**************)(*******************)(***************)(****************)(********************)(*********************)(******************************)(*******)(***********************)(************************)(**************)(****************)(****)NASA asteroid: The giant space rock measures up to (******************************************************************).6ft ((***********************************************************************)m) in diameter (****)(Image: GETTY)(*****)(*****)(**************)(*******************)(***************)(****************)(********************)(*********************)(*******************************)(*******)(***********************)(************************)(**************)(****************)(****)NASA asteroid: Thankfully the space rock will not strike the Earth today or in the foreseeable futur (****)(Image: GETTY)(*****)(*****)(**************)(*******************)(***************)(****************)A single astronomical unit measures the distance from the Earth to the Sun or about (****************************************************************) million miles ((**************************************************************).6 million km).(**************)(****************)This means Asteroid RG2 narrowly passed us from a distance of (**********************************************************),(*********************************************************) miles ((***************************************************),(**************************************************)km).(**************)(****************)The distance is equal to just 1.(********************************************************************) times the distance from Earth to the Moon – an incredibly close brush with the rock.(**************)(****************)After last night’s flyby, NASA does not expect the space rock to make another appearance in Earth’s neighbourhood for the foreseeable future.(**************)(*******************)(*******************)(*******************) (********************************)(*******************) (*******************) (*******************)(*********************************)(**********************************)Read More(***********************************)

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