What are the latest discoveries in cometary and asteroidal science?

In recent years, significant advancements have been made in the field of cometary and asteroidal science, shedding light on these celestial objects and their roles in the solar system.

Cometary Science

Cometary research has led to a deeper understanding of these icy bodies. Recent discoveries include the detection of organic molecules on comets, such as glycine and phosphorus, which are essential building blocks of life. Scientists have also found evidence of complex organic compounds on comets, hinting at the possibility of comets playing a role in the origin of life on Earth. Furthermore, missions like Rosetta have provided detailed data on comet 67P/Churyumov-Gerasimenko, offering insights into the comet's composition and structure.

Asteroidal Science

Asteroid exploration has revealed fascinating information about these rocky bodies. Recent advancements include the discovery of asteroid Bennu's water-bearing minerals, suggesting that water may be more abundant in asteroids than previously thought. Additionally, studies on asteroid Itokawa have shown evidence of regolith migration, providing valuable data on the surface dynamics of asteroids. The OSIRIS-REx mission has also collected samples from asteroid Bennu, offering a unique opportunity to study the composition of these ancient remnants of the early solar system.

Overall, these recent discoveries and advancements in cometary and asteroidal science are reshaping our understanding of these intriguing celestial objects and their significance in planetary formation and evolution.