Meet NASA’s Planetary Defense Officer, the Man Responsible for Protecting Earth from Asteroids
Jan 14, 2016 The term planetary defense officer sounds like a high-ranking position in a cosmic task force from a Marvel comic book. But actually, this is a real job title for NASA's Planetary Defense Coordination Office or PDCO.
NASA Says Earth Will Have Near Miss with Giant Asteroid on Halloween
Oct 20, 2015 NASA Has recently spotted a massive asteroid that will dangerously zip past Earth on Halloween. According to the space agency, this is the first time that an asteroid will fly near the planet in nine years.
Researchers Propose New Theory About Extinction Event that Wiped Out the Dinosaurs
Oct 02, 2015 It is widely believed that the extinction of the dinosaurs was caused by a massive explosion from a gigantic asteroid that hit Earth over 60 million years ago. However, other scientific groups argue that the extinction event was actually triggered by a series of volcanic eruptions.
Russian Scientists Monitoring Mountain-Sized Asteroid Heading To Earth
Dec 09, 2014 Vladimir Lipunov, an astrophysicist and professor at the Moscow State University, said he is currently tracking a huge asteroid that’s about to enter Earth’s orbit. The asteroid, which has a diameter of 360 meters, is as big as a mountain and has been named 2014 UR116.