Space rock closes in on Earth
This article is an example of scientists providing a study to the media with a purpose. In this case one suspects it is to attract attention, and perhaps funding of "early warning systems". It is difficult to imagine the distances but students might draw a solar system drawn to scale and indicate where the asteroid's path would take it in relation to the earth, moon and sun.
The odds reported at the end are in unusual form and raise a question as to how they might have been calculated.
There are several opportunities to discuss fractions, distances, time and rates from the numbers provided in the article.
Where to next?
Student Questions for this article
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