Still way out in the solar system between the orbits of Saturn and Uranus, it is nonetheless surrounded by a cloud of dust or ...

They discovered that cometary dust may have skewed earlier readings of deuterium levels, which could lead to misleadingly high deuterium readings in the coma. According to Interesting Engineering ...

Studies of water ice and gas in the distant Solar System will help us test our understanding of cometary interiors, and coma evolution. The question of cometary activity in main belt comets will be ...