Asteroids like Bennu act as time capsules that contain pristine, unpolluted geological and chemical records of the early solar system.

“So it's a time machine for you. Definitely It's a time capsule. Time capsule, That's right. And going back to your analogy of the dog pee, many of these, in fact, they get contaminated- the meteorites, as they fall to earth very, very quickly.”

The internal heat generated by convective movement and tidal forces is necessary to maintain a magnetic field in a celestial body.

“we need that kind of activity and the movement of material it doesn't have to be Rock and water it can be other elements and and we think that needs to actually be there to create a magnetic field”