Pluto is only about 2,300 kilometres across. It is smaller than some of the solar system's moons, including our own Moon.
In 2006, astronomers decided that Pluto is too small to be called a planet. It is to be called a dwarf planet instead.
ISBN-13: 9781846960567
Availability: No Longer Available
Item is obsolete and cannot be re-ordered
Published: March 2007
Reading Level: Lower Primary
Pages: 24
Format: Paperback
Publisher: Ticktock Media
Product Category: Science / Science: Space/Astronomy