Is the Truth in Asteroid Dust?

Is the truth in asteroid dust? Perhaps we’ll soon learn the answer. This month, the Japanese Aerospace Exploration Agency (JAXA) successfully brought asteroid dust back to Earth for the second time in history. A small asteroid doesn’t have a heated interior. Scientists believe that means that since the materials on an asteroid have never experienced that intense heat and altered, they have the “initial characteristics of the solar system.” Studying this material could lead to a new understanding of the history and development of our solar system. What Is an Asteroid It’s an irregularly shaped celestial body usually found between the orbits of Mars and Jupiter. (See the illustration above.) They can be as small as pebbles or hundreds of miles in diameter. Most asteroids are rocks, but some have clays or metals in them. There are currently 1,038,96 known asteroids. Scientists believe that during the formation of our solar system some rocks and materials were “left overs.” These left overs are what we call asteroids.  How Do Scientists Study Asteroids? Astronomers have spent years observing celestial bodies like asteroids with powerful telescopes. Some scientists have been fortunate enough to work with meteorites, tiny bits of asteroids that survived the […]