Astronomy Project
טקסט Storyboard
- שקופית: 1
- Well I do know that since it's summer for us, it's winter for him; but how does that happen?
- It, sure is; but hopefully my cousin isn't too cold though.
- This is our Earth. And as you can see, it's tilted on an axis. Which is why we have different climates.
- שקופית: 2
- Earth's orbit around the sun is the main cause of the seasons. The sun's rays hit primarily one hemisphere at a time causing the switch between seasons.
- (Northern) Spring
- (Northern) Summer
- (Northern)Winter
- (Southern) Fall
- (Northern) Fall
- (Southern) Winter
- (Southern) Summer
- But the Earth isn't the only thing changing because of its orbit around something else. The moon does that too.
- Each season lasts about 3 months, and there being 4 seasons is the reason we have 12 months in a solar (based on the sun) year.
- (Southern) Spring
- שקופית: 3
- new moon
- waxing crescent
- The moon orbits around the Earth counterclockwise. As it does the shadow cast by the sun gives it the illusion of it disappearing.
- We see the Moon wax (or "grow") where the right side is visible; and then we see it wane (or "shrink) where the right side is visible. Charts like this one show how the moon really is: which is a light side facing the sun and a dark side facing us.
- last quarter
- waning gibbous
- waning crescent
- full moon
- waxing gibbous
- first quarter
- שקופית: 0
- Wow, the sunset is beautiful!
- Well Kiara, it's because of the fact our Earth revolves around the sun.
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