What is Zoom Astronomy? Zoom Astronomy is a comprehensive on-line hypertext book about astronomy. It is designed for students of all ages and levels of comprehension. It was created with a simple structure that allows the reader to start at a basic level for each topic, and progress to more advanced information when and if it is desired.
Where are we in the Milky Way galaxy? The essential modern picture is that our solar system is located on the inner edge of a spiral arm, about 25,000 light-years from the center of the galaxy, which is in the direction of the constellation of Sagittarius.
What is the biggest planet on Earth? Jupiter is the fifth planet from our Sun and is, by far, the largest planet in the solar system – more than twice as massive as all the other planets combined.
What type of galaxy is the Milky Way? The Milky Way is a huge collection of stars, dust and gas. It’s called a spiral galaxy because if you could view it from the top or bottom, it would look like a spinning pinwheel. The Sun is located on one of the spiral arms, about 25,000 light-years away from the center of the galaxy.