A top NASA scientist has urged the world's leaders to spend more on planetary defense from asteroids. 65 years ago, the dinosaurs reign, are exceedingly rare, one expert has warned. Lindley Johnson, the planetary defense officer for NASA, said: "Mr. Johnson told journalist Bryan Walsh for his new book."
"All the money would be worthwhile if it could happen
"It's definitely worth spending a bit of their treasure to get things done ahead of time, because you can not do anything unless you find them . "
Scientists often point to two decades ago.
Scientists often point to two years ago rable to asteroid impacts.
In 1908, a small asteroid exploded over Siberia's Tunguska, which fell over 800 miles.
READ MORE: Asteroid apocalypse: How Scientist revealed 'biggest threat'
Part of the reason NASA is sending the OSIRIS-Rex spacecraft there
NASA fears that the asteroid, which has the potential to wipe out a country on earth, could hit our planet within the next 120 years, with the next close flyby in 2135.
The Mission will give a great deal of information on how to turn asteroids off their collision course with Earth.
But NASA reiterates that while there is a small chance Earth could be impacted, "over millions of years, of all the pl Anets, Bennu is most likely to hit Venus. "
The ESA has invested £ 21million in projects such as the Human Exploration Research Analogue (Hera) mission, which will study the Didymos binary asteroid, set to fly past Earth in 2022.
Studies seeks as Hera wants to help the ESA better understand how it can protect our planet from killer asteroid strikes.