Access
This article is part of Nature's premium content.
Published online 14 June 2007 | Nature | doi:10.1038/news070611-10
News
Dwarf planet found to be heftier than Pluto
Eris is bigger and heavier than our Solar System's 'ninth planet'.
Whether you call it a planet or not, Pluto has officially been overtaken by a more massive planetary object — Eris (previously nicknamed Xena).
Pluto, traditionally known as the ninth planet of our Solar System, sits in a giant zone called the Kuiper belt that is filled with asteroids and many other planetary bodies.
To read this story in full you will need to login or make a payment (see right).
Comments
Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email webadmin@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.
There are currently no comments.
