Networks of cameras are making it easier to track meteors
And also to find the bits that reach the ground
EVERY DAY between 100 and 600 tonnes of rock hurtles into Earth’s atmosphere. The reason so little of this bombardment makes it to the planet’s surface is that much of it is burnt up by atmospheric friction, which creates the fireball that is the visible sign of a meteor’s arrival. As for the bits that do get through, once landed, they are known as meteorites.
This article appeared in the Science & technology section of the print edition under the headline “Skyfalls”
Science & technology March 30th 2019
From the March 30th 2019 edition
Discover stories from this section and more in the list of contents
Explore the editionMore from Science & technology
Can you breathe stress away?
Scientists are only beginning to understand the links between the breath and the mind
The Economist’s science and technology internship
We invite applications for the 2025 Richard Casement internship
A better understanding of Huntington’s disease brings hope
Previous research seems to have misinterpreted what is going on
Is obesity a disease?
It wasn’t. But it is now
Volunteers with Down’s syndrome could help find Alzheimer’s drugs
Those with the syndrome have more of a protein implicated in dementia
Should you start lifting weights?
You’ll stay healthier for longer if you’re strong