Can a spacecraft save Earth from an asteroid?
To hunt prey, one must first track it. That’s the logic behind a competition on how best to hypothetically track Apophis, the 300-metre-wide asteroid that has a tiny chance of striking Earth in the year 2036. 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.
