Access
This article is part of Nature's premium content.
Published online 18 October 2004 | Nature | doi:10.1038/news041018-3
News
Unseen comets may raise impact risk for Earth
Thousands of dark objects could be hiding in our Solar System.
The Solar System could be teeming with almost invisible comets, according to some astronomers' calculations. If they are right, such extra comets would significantly increase the risk of a catastrophic impact with Earth.
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.
