About: http://webisa.webdatacommons.org/228812412

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It protects us from electromagnetic radiation given off by the Sun and small objects flying through space such as meteoroids.
http://www.w3.org/ns/prov#wasQuotedFrom	geography4kids.com