High-Tech Meteorite Hunting
Scientists estimate that thousands of extraterrestrial rocks enter our atmosphere every year, most of which burn up or fragment into smaller pieces before hitting Earth. Here’s how the Center for Near-Earth Object Studies (CNEOS) at NASA/JPL refer to various space objects. Asteroid: A relatively small, inactive, rocky body orbiting the Sun. Comet: A relatively small, […]
NASA Checks Out Potentially Hazardous Asteroids
First, the good news. There are fewer asteroids near Earth than previously estimated. Now the bad news. A new NASA survey also finds there may be more than twice as many aligned with Earth’s orbit than thought, which could increase the odds of an asteroid coming close enough to us to cause concern. The findings […]