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Dois investigadores do Observat&oacute;rio Nacional Solar, William Livingston
e Matt Penn, dizem que o Sol anda com problemas, e que a partir de 2015
poder&aacute; perder as suas manchas solares, denotando menos actividade, o
que poder&aacute; levar a uma nova pequena idade do gelo - como no <a
 href="http://en.wikipedia.org/wiki/Maunder_minimum"
 onclick="javascript:pageTracker._trackPageview('/outbound/article/http://en.wikipedia.org/wiki/Maunder_minimum');">Maunder
Minimum</a>, entre 1645 e 1715.<br>
Podem ler mais sobre isto, <a
 href="http://www.skyandtelescope.com/news/wires?id=117465925&amp;c=y"
 onclick="javascript:pageTracker._trackPageview('/outbound/article/http://www.skyandtelescope.com/news/wires?id=117465925&c=y');">aqui
</a>e <a
 href="http://wattsupwiththat.wordpress.com/2008/06/02/livingston-and-penn-paper-sunspots-may-vanish-by-2015/"
 onclick="javascript:pageTracker._trackPageview('/outbound/article/http://wattsupwiththat.wordpress.com/2008/06/02/livingston-and-penn-paper-sunspots-may-vanish-by-2015/');">aqui</a>.<br>
<br>
A confirmar-se, &eacute; uma m&aacute; not&iacute;cia para os amadores de r&aacute;dio.<br>
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