NASA explains how a safely view a 'ring of fire' annular solar eclipse. WARNING: People should always use protective solar ...

FLORIDA — On Monday, April 8, skywatchers got to witness a rare celestial delight and something that will not be seen again over North American skies for more than 20 years: A total solar eclipse.

You need a solar telescope with a built-in or attachable filter, one that meets the ISO 12312-2 safety standard. This standard ensures that no more than 0.0032% of the sun's dangerous rays meet ...