Sunspots

HungLikeJesus · 06-11-2008, 10:44 AM

I wonder how they know there were no sunspots for those years. That was back in the day of wood-fired satellites.

glatt · 06-11-2008, 10:53 AM

It was 40 years after Galileo first used a telescope for astronomy and discovered sunspots. Maybe there were other scientists observing the sun back then on a regular basis.

06-11-2008, 10:44 AM	#1
HungLikeJesus Only looks like a disaster tourist Join Date: Feb 2007 Location: above 7,000 feet Posts: 7,208	I wonder how they know there were no sunspots for those years. That was back in the day of wood-fired satellites. __________________ Keep Your Bodies Off My Lawn SteveDallas's Random Thread Picker.

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06-11-2008, 10:53 AM	#2
glatt ™ Join Date: Jul 2003 Location: Arlington, VA Posts: 27,717	It was 40 years after Galileo first used a telescope for astronomy and discovered sunspots. Maybe there were other scientists observing the sun back then on a regular basis.

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