What is meant by the term associated with black holes called the “event horizon”?
s.pageName=”Teachers:Article:4836-Black Holes” s.server=”Teachers” s.channel=”Teachers:Article” s.prop1=”” s.prop2=”” s.prop3=”Teachers:Article” s.prop4=”” s.prop5=”” s.prop14=”” s.prop15=”Kids and Teachers” s.prop16=”” s.prop17=”” s.prop18=”” s.prop26=”” s.prop27=”Teachers” s.prop28=”Teachers” s.prop29=”” s.eVar3=”” s.eVar4=”” s.eVar6=”” s.eVar13=”” s.eVar14=”” s.eVar15=”” s.eVar16=”” s.hier1=”Teachers|Article” s.events=”prodView” s.products=”;32953;;;;evar6=Teachers:Article:4836-Black Holes,;68377;;;;evar6=Teachers:Article:4836-Black Holes” /************* DO NOT ALTER ANYTHING BELOW THIS LINE !