Paul Kalas

Paul Kalas
Paul Kalasis a Greek American astronomer known for his discoveries of debris disks around stars. Kalas led a team of scientists to obtain the first visible-light images of an extrasolar planet with orbital motion around the star Fomalhaut, at a distance of 25 light years from Earth. The planet is referred to as Fomalhaut b...
edge history might origin outer sharp solar understand
If we can understand the origin of the sharp outer edge around HD 139664, we might better understand the history of our solar system.
planet ring rings
The story of how you make a ring around a planet could be the same as the story of making rings around a star.
develop expect habitable planets stars types zones
These are the types of stars around which you would expect to find habitable zones and planets that could develop life.
belt debris develop expect habitable might oldest planets reflected seen stars types zones
These are the oldest debris disks seen in reflected light, and are important because they show what the Kuiper Belt might look like from the outside. These are the types of stars around which you would expect to find habitable zones and planets that could develop life.