Datahopa
Heavens Above => Astronomy & Near Earth Phenomena => Topic started by: DD1975 on October 18, 2015, 18:26:30 PM
This is a good read:
http://www.bbc.co.uk/news/science-environment-34504067 (http://www.bbc.co.uk/news/science-environment-34504067)
And a follow up article
http://www.bbc.co.uk/newsround/34559662 (http://www.bbc.co.uk/newsround/34559662)