Free Republic
Browse · Search
General/Chat
Topics · Post Article

To: 11th_VA

As of yesterday, there had been 5 spotless days. Hardly an indication of a big ramp-up. SC 25 looks to be = SC 24 so far - maybe slightly less active.

P.S. Ever wonder how astronomers counted sunspots 800 years ago?


33 posted on 08/04/2021 5:17:08 PM PDT by Thickman (Libsteria is funnier than confounded GOP "leaders".)
[ Post Reply | Private Reply | To 1 | View Replies ]


To: Thickman

They used smoked glass- they held it over a fire in the thickest part of the smoke to cut the Sun’ glare.


42 posted on 08/04/2021 6:42:43 PM PDT by telescope115 (Proud member of the ANTIFAuci movement. )
[ Post Reply | Private Reply | To 33 | View Replies ]

Free Republic
Browse · Search
General/Chat
Topics · Post Article


FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson