Comets articles
Is the Oort Cloud made of ice?
The vast, spherical reservoir surrounding our Sun, known as the Oort Cloud, is often described as the extreme edge of ou...
What icy bodies mostly originate in the Oort Cloud before being flung toward the Sun?
The icy bodies that make their dramatic, fiery visits to the inner solar system—the long-period comets—are believed to h...
What icy bodies does the Oort Cloud contain?
The remote reaches of our solar system harbor a colossal, spherical reservoir composed primarily of icy debris, a struct...
What are the parts of a comet?
When we look up at the night sky and spot one of those celestial visitors streaking across the darkness, we are seeing a...
What is a piece of a comet called?
When we look up and see the delicate streak of a comet traversing the night sky, the object appears as one ethereal whol...