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Earth- sun
notes
| Question | Answer |
|---|---|
| the solar system consists of the sun and how many planets ? | 8 |
| most planets have ..? | moons |
| what keeps the planets in the solar system ? | gravity from the sun |
| what keeps the moons from orbiting their planets ? | their planets gravity |
| what are seasons caused by | the tilt of the earths axis and its position around the sun |
| the earths axis is at .. | 23.5 |
| the tropics are the area where | the sun is directly above at some point in the year. |
| what are the two areas that mark where the sun is eaither above or below the horizon for at least 24 hours of night or daylight | arctic and antartic circles |
| solstices happen in winter and summer when the suns most direct rays strike either the | tropic of cancer or tropic of capricorn |
| the summer solstice (longest day) happens on the .. | tropic of cancer |
| the winter solstice (shortest day) happens on the.. | tropic of capricorn |
| when the sun is directly over the equator the earthe has an .. | equinox |
| how many hours of night does the earth have ? | 12 |
| how many hours of day does the earth have ? | 12 |
| autumnal equinox | sept 22 or 23 |
| vernal equinox | march 21 or 22 |