Changes in Sunlight Intensity (Leaving Cert CASD): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the approximate value of the solar constant at the top of Earth's atmosphere?
What is the approximate value of the solar constant at the top of Earth's atmosphere?
1361 W/m²
How long does the solar cycle (Schwabe cycle) last?
How long does the solar cycle (Schwabe cycle) last?
Approximately 11 years
What are sunspots?
What are sunspots?
Dark patches where magnetic field blocks heat
What is the percentage change in the Sun's brightness between solar maximum and minimum?
What is the percentage change in the Sun's brightness between solar maximum and minimum?
Approximately 0.1%
During which period did the Maunder Minimum occur?
During which period did the Maunder Minimum occur?
1645-1715
How long is the Gleissberg cycle?
How long is the Gleissberg cycle?
Roughly 100 years
What happens to cosmogenic isotopes when the Sun is more active?
What happens to cosmogenic isotopes when the Sun is more active?
Fewer isotopes are created
Which Milankovitch cycle has the longest duration?
Which Milankovitch cycle has the longest duration?
Eccentricity (~100,000 years)
How much has the Sun contributed to warming since 1850?
How much has the Sun contributed to warming since 1850?
No more than 0.01°C
What are faculae?
What are faculae?
Bright regions that compensate for sunspots