A Wanderer in Earth's Path

Asteroid Y24 made headlines when astronomers flagged its potential collision with Earth in 2032, but latest findings reassure otherwise. This reality, however, depicts Earth's frailty, while bringing into view the vast horizons traversed by space science

- HRITHIK KIRAN BAGADE

It is estimated that ~25 million meteoroids, micrometeoroids, and other space debris enter Earth's atmosphere each day, and this material is mostly vaporized in the atmosphere, creating a bright trail called a 'shooting star'.

It is a well-known theory that a large 10-15 km-diameter asteroid, now called the 'Chicxulub impactor', struck Earth in prehistoric Mexico, at a speed of 20 kmps, causing the extinction of non-avian dinosaurs. Hence, the probability of a large celestial body colliding with our planet in the future causes significant fascination and hysteria among humans. A considerable amount of space research, therefore, goes into mitigation efforts to resolve such scenarios.

In recent times, asteroid 2024 YR4 has gained infamy. In the vast expanse of our Solar System, YR4 is a relatively small, but captivating object with a unique trajectory and mysterious nature. A major reason drawing astronomers and global space agencies to keep a constant watch over asteroid YR4 is its portending collision with Earth in 2032.

Discovery and Characteristics

YR4 was first identified on December 27, 2000, by the Catalina Sky Survey, a project focused on identifying Near-Earth Objects (NEOs). While its discovery was not widely publicized at the time, YR4 has since become an object of interest among astronomers studying NEOs and the asteroid belt.