ACTIVE SUN


Meaning of ACTIVE SUN in English

Astron.

1. the sun at a maximum of solar activity, occurring every 11 years.

2. solar activity, superimposed on an unchanging background. Cf. quiet sun, solar cycle .

[ 1975-80 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .