NASA simulates how the U.S. might respond to asteroid threatening Earth ...
2024年6月21日 · Imagine if scientists discovered a giant asteroid with a 72% chance of hitting the Earth in about 14 years — a space rock so big that it could not only take out a city but …
This asteroid is one of the most likely to hit Earth. Here’s what it ...
2021年8月11日 · New ultraprecise measurements show that the asteroid Bennu has a higher chance than thought of impacting our planet sometime in the next 300 years, NASA says. For …
NASA Analysis: Earth Is Safe From Asteroid Apophis for 100-Plus …
2021年3月26日 · The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. After its discovery in 2004, asteroid …
An asteroid hit Earth just hours after being detected. It was the …
2024年11月8日 · Last month, an asteroid impacted Earth's atmosphere just hours after being detected — somehow, it managed to circumvent impact monitoring systems during its …
Collisions could increase chance of 'God of Destruction' asteroid ...
2024年9月16日 · The chances of a roughly 3-meter-wide asteroid hitting Apophis and putting it on a collision course with Earth in 2029 were 1 in 2 billion. An illustration of NASA's Double …
What happened when giant S2 meteor hit Earth 3 billion years …
2024年10月21日 · Billions of years ago, long before anything resembling life as we know it existed, meteorites frequently pummeled the planet. One such space rock crashed down …
Exactly 7 Years From Today A Massive Asteroid Will Get Closer To Earth …
2022年4月13日 · Exactly seven years from today—on April 13, 2029—the “Potentially Hazardous Asteroid” (PHA) called Apophis will pass inside the orbits of our geosynchronous satellites. …
What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit the Earth …
2019年9月9日 · When an asteroid the size of the Chicxulub impactor, estimated to be more than six miles wide, strikes a planet, material is ripped up from below the surface and tossed into …
Risk of Giant Asteroids Hitting Earth Could Be Worse
2023年3月21日 · That most famous of all meteorite impacts – the dinosaur-killing smash that punched a hole into the crust off what is today the Yucatan peninsula some 66 million years …
A New Asteroid Is Heading Our Way. Here's What to Know | TIME
2023年3月10日 · It’s nowhere near the 12 km (7.5 mi.) wide asteroid—more than half the length of Manhattan—that wiped out the dinosaurs 65 million years ago. That’s the good news.