5 Questions
What is the vernal equinox also known as in the Southern Hemisphere?
Autumnal equinox
In which month does the vernal equinox occur in the Northern Hemisphere?
March
Which of the following is used to estimate the age of the Earth?
The relative abundance of radioactive isotopes in rocks
What is the main purpose of using radioactive isotopes in estimating the age of the Earth?
To estimate the age of the Earth
Why are radioactive isotopes used instead of stable isotopes for estimating the age of the Earth?
Radioactive isotopes decay over time, allowing age estimation
Test your knowledge about the vernal equinox with this quiz! Answer questions about the timing, length of day and night, and different names associated with this celestial event. Challenge yourself and learn more about the vernal equinox in both hemispheres.
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