Asteroid Bennu: The Cosmic Giant We Visited (And That Might Visit Earth One Day!)
Imagine a skyscraper-sized space rock, silently traveling through the Solar System, guarding secrets from the very beginning of life. Now, imagine that this rock has a path that, one day, might cross Earth's. This is Asteroid Bennu , a fascinating object that became the focus of one of NASA's most ambitious space missions, OSIRIS-REx, which recently brought invaluable samples back to us. But what makes Bennu so special? Why has humanity invested so much to visit it? And what is the real "threat" it poses to our planet? Get ready to unravel the mysteries of this cosmic giant that's under our watchful eye! Bennu: A Cosmic "Time Capsule" and a Potential Threat Asteroid (101955) Bennu is a B-type asteroid, meaning it's rich in carbon and organic material. It's about 500 meters (about 1,640 feet) in diameter—the equivalent of five football fields!—and orbits the Sun. Its history, however, is what makes it a true scientific treasure: Ancient Age: Be...