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Earth in Space
Question | Answer |
---|---|
rotation | Earth spinning around its axis once every 24 hours, resulting in day and night. |
revolution | The movement of Earth in its orbit around the sun resulting in a year. |
orbit | The path an object follows as it travels around another object in space. |
summer solstice | About June 21, when the sun is directly shining on the northern hemisphere providing the most hours of sunlight. |
winter solstice | About December 21, when the sun is directly shining on the southern hemisphere providing the least hours of sunlight. |
vernal equinox | About March 21, when neither hemisphere is tilted toward or away from the sun. On this day, all areas of the Earth have equal hours of day and night. |
autumnal equinox | About September 21, when neither hemisphere is tilted toward or away from the sun. On this day, all areas of the Earth have equal hours of day and night. |