Jefferson Public Radio40 分钟
An asteroid could hit Earth in 7 years. Here's how astronomers are tracking it
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...
Jefferson Public Radio40 分钟
How do astronomers track asteroids that could threaten Earth?
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a football field as they try to determine how likely it is to strike Earth in ...