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Questions and Answers
What is the primary characteristic of a temperate zone?
What is the primary characteristic of a temperate zone?
- It is found between the Arctic and Antarctic Circles. (correct)
- It experiences equal day and night.
- It lies primarily within the Arctic Circle.
- It consists mainly of tropical climates.
During which celestial event does a solar eclipse occur?
During which celestial event does a solar eclipse occur?
- When all three bodies are aligned but not in direct line.
- When the Sun is fully covered by the Earth.
- When the Moon passes in front of the Sun. (correct)
- When the Earth passes between the Moon and the Sun.
Which of the following statements is true about lunar eclipses?
Which of the following statements is true about lunar eclipses?
- They happen when the Moon passes through the Earth's shadow. (correct)
- They require both the Sun and Earth to be in alignment.
- They can only be observed from the Sun's position.
- They occur during the new moon phase.
What significant event occurred approximately 13.7 billion years ago?
What significant event occurred approximately 13.7 billion years ago?
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What is the term used when three celestial bodies are in a straight line during an eclipse?
What is the term used when three celestial bodies are in a straight line during an eclipse?
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Study Notes
Hemispheres
- Temperate zones are located between the Arctic Circle and the North Pole in the Northern Hemisphere and the Antarctic Circle and the South Pole in the Southern Hemisphere.
- The Frigid Zones are located around the North and South poles.
- Equal day and night occurs on the 21st of March and the 23rd of September.
- March 21st marks the start of spring in the Northern Hemisphere and Autumn in the Southern Hemisphere.
- September 23rd brings Autumn to the Northern Hemisphere and Spring to the Southern Hemisphere.
Eclipse
- An astronomical phenomenon that occurs when one celestial object comes within the shadow of another.
- This alignment of three celestial bodies is called syzygy.
Types of Eclipse
- Solar Eclipse: Occurs when the Moon passes between the Sun and Earth.
- Solar eclipses occur during the New Moon phase.
- The distance between the Moon and Earth determines the stages of a Solar Eclipse.
- Lunar Eclipse: Occurs when the Moon passes through the Earth's shadow.
- Lunar eclipses occur during the Full Moon phase.
- The positioning of the Sun, Moon, and Earth determines the type of Lunar Eclipse.
Timeline
- The Big Bang occurred 13.7 billion years ago.
- Stars formed approximately 5-6 billion years ago.
- Planets were formed 4.6 billion years ago.
- The Moon was formed 4.4 billion years ago.
- Oceans were formed 4 billion years ago.
- Life began to evolve 3.8 billion years ago.
- Photosynthesis evolved around 2.5-3 billion years ago.
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