Podcast
Questions and Answers
What is the motion of Earth's axis over a period of about 26,000 years called?
What is the motion of Earth's axis over a period of about 26,000 years called?
- Tilt
- Orbit
- Eccentricity
- Precession (correct)
How does a smaller axial tilt affect global climate?
How does a smaller axial tilt affect global climate?
- Causes less winter snow to melt during cooler summers (correct)
- Causes an increase in the average global temperature
- Leads to summer occurring when Earth is closest to the sun
- Results in the expansion of glaciers and ice sheets
How does precession affect the timing of the seasons on Earth?
How does precession affect the timing of the seasons on Earth?
- Affects the direction in which Earth's axis points in space (correct)
- Changes the distance between Earth and the sun
- Influences the severity of winter weather
- Alters the duration of each season
What happens when Earth's axis points toward Polaris, the North Star?
What happens when Earth's axis points toward Polaris, the North Star?
How do scientists explain the complexity of understanding the combined effects of Earth's motion in space?
How do scientists explain the complexity of understanding the combined effects of Earth's motion in space?
What is responsible for summer occurring in different hemispheres depending on Earth's axial tilt?
What is responsible for summer occurring in different hemispheres depending on Earth's axial tilt?
How does Earth's orbit eccentricity affect the amount of solar energy reaching Earth?
How does Earth's orbit eccentricity affect the amount of solar energy reaching Earth?
How do changes in Earth's axial tilt affect the differences between seasons?
How do changes in Earth's axial tilt affect the differences between seasons?
Which statement accurately describes the relationship between Earth's orbital eccentricity and its distance from the sun?
Which statement accurately describes the relationship between Earth's orbital eccentricity and its distance from the sun?
How does Earth's tilt affect the weather changes between seasons?
How does Earth's tilt affect the weather changes between seasons?
What impact does a less elliptical (more circular) orbit have on the distribution of solar energy during the year?
What impact does a less elliptical (more circular) orbit have on the distribution of solar energy during the year?
How do changes in Earth's orbit eccentricity impact the overall temperature on Earth over tens of thousands of years?
How do changes in Earth's orbit eccentricity impact the overall temperature on Earth over tens of thousands of years?
How do eccentricity, tilt, and the time of perihelion collectively influence the amount of energy reaching the Northern Hemisphere in July?
How do eccentricity, tilt, and the time of perihelion collectively influence the amount of energy reaching the Northern Hemisphere in July?
Why does the graph of northern summer insolation not follow a perfectly regular pattern?
Why does the graph of northern summer insolation not follow a perfectly regular pattern?
How does ellipticity impact the total amount of solar energy that reaches Earth?
How does ellipticity impact the total amount of solar energy that reaches Earth?
What did variations in Earth's orbit determine about sunlight intensity in the far North during summer months?
What did variations in Earth's orbit determine about sunlight intensity in the far North during summer months?
Why can weak summer sunlight over years lead to snow accumulation resulting in ice ages?
Why can weak summer sunlight over years lead to snow accumulation resulting in ice ages?
What do Milankovitch cycles primarily focus on?
What do Milankovitch cycles primarily focus on?
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