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What ways can an astronomer determine when on 11 year old sunspot cycle ends and another begins?
The sunspots in each cycle are of the opposite magnetic polarity. As the number of spots declines to near zero, we can tell when the new cycle has begun when new spots of the opposite polarity are appearing while no "old cycle" spots appear.
This has been a difficult transition; the sunspot number went to zero - and STAYED THERE, for nearly two years. Only since December 2009 can we really say that the Sun is becoming more active. The easiest way to track this is on the Web; visit www.spaceweather.com regularly.
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What is the duration of Kenny Begins?
The duration of Kenny Begins is 1.45 hours.
What day officially begins the summer season?
The summer season begins on June 21st every year, except in the case of a leap year, where summer begins on the 20th of June.
Where does the Amazon River begin and end?
it begins in colunbia and end in Peru
What are the ratings and certificates for Kenny Begins - 2009?
Kenny Begins - 2009 is rated/received certificates of: Sweden:11
What are the ratings and certificates for Life Begins with Love - 1937?
Life Begins with Love - 1937 is rated/received certificates of: USA:Approved
How long is the average sunspot cycle?
The average length of the sunspot cycle is 11 years. Some cycles are double peaked, which makes it difficult to determine when one ends and when another one begins.
Which astronomer name begins with a g?
Galileo Galilei
Who was an early astronomer whose name begins with K?
Kepler
What does an astronomer use that starts with c?
Astronomers use a camera. It begins with the letter c.
A famous scientist with the last name that begins with a h?
Walter Heisenberg (physicist) Edmond Halley (astronomer)
When is the next sun spot activity?
Sunspot activity occurs in cycles that last around 11 years. The next peak in sunspot activity is expected around 2025-2026, after which it will gradually decrease. However, predicting the exact timing and intensity of solar activity is challenging.
How do scientist determine when an era begins and when it ends?
rocks and fossils
What is another word for arrogant that begins with the letter H?
Haughty is another word for arrogant that begins with the letter H.
What is another name for a doctor of medicine that begins with a P?
Physician is another name for a doctor of medicine. It begins with the letter P.
What developments is an example of globalization?
A country begins trading with Another Country overseas.
What is another for big that begins with l?
Large is a synonym for big. It begins with the letter l.
What is another word for registered voters that begins with the letter C?
Another word for registered voters that begins with the letter C is constituents.
