The Oort Cloud: Where the Solar System Ends.


The Oort Cloud: Where the Solar System Ends.

Do you know about the bubble of ice and dust that surrounds our Solar system?  That is the Oort Cloud, a vast region made up of trillions of small bodies. Here are some quick facts to know about it:

 Invisible Mystery: The Oort Cloud is so far away that it can't be seen directly. Even our most advanced spacecraft cannot reach it with their remaining fuel.

 Source of Comets: Scientists believe that the Oort Cloud serves as a fresh supply of long-period comets - those that take no less than 200 years to orbit the Sun.

 Frozen Land: The Oort Cloud is a vast, cold region containing a variety of icy substances like water, methane, ethane, and more. In addition to comets, it may harbor asteroids and dwarf planets.

Credit: Star Walk

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