e. Solve this: Our age is measured in earth days (24 hours) or years (365 1/4 days). This means that rotation of the earth, we age one day, and with every revolution, our age increases by a the basis of the information about the time taken by different planets to complete one around the sun in the previous activity, calculate what your age would be on these planet
Answers
Answer:
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Explanation:
Answer:
YOUR AGE ON OTHER WORLDS
Want to melt those years away? Travel to an outer planet!
TO DO AND NOTICE
Fill in your birthdate below in the space indicated. (Note you must enter the year as a 4-digit number!)
Click on the "Calculate" button.
Notice that your age on other worlds will automatically fill in. Notice that Your age is different on the different worlds. Notice that your age in "days" varies wildly.
Notice when your next birthday on each world will be. The date given is an "earth date".
You can click on the images of the planets to get more information about them from Bill Arnett's incredible Nine Planets web site.
WHAT IS GOING ON?
The Days (And Years) Of Our Lives
Looking at the numbers above, you'll immediately notice that you are different ages on the different planets. This brings up the question of how we define the time intervals we measure. What is a day? What is a year?
The earth is in motion. Actually, several different motions all at once. There are two that specifically interest us. First, the earth rotates on its axis, like a spinning top. Second, the earth revolves around the sun, like a tetherball at the end of a string going around the center pole.
EarthThe top-like rotation of the earth on its axis is how we define the day. The time it takes the earth to rotate from noon until the next noon we define as one day. We further divide this period of time into 24 hours, each of which is divided into 60 minutes, each of which is broken into 60 seconds. There are no rules that govern the rotation rates of the planets, it all depends on how much "spin" was in the original material that went into forming each one. Giant Jupiter has lots of spin, turning once on its axis every 10 hours, while Venus takes 243 days to spin once.
The revolution of the earth around the sun is how we define the year. A year is the time it takes the earth to make one revolution - a little over 365 days.
We all learn in grade school that the planets move at differing rates around the sun. While earth takes 365 days to make one circuit, the closest planet, Mercury, takes only 88 days. Poor, ponderous, and distant Pluto takes a whopping 248 years for one revolution. Below is a table with the rotation rates and revolution rates of all the planets.
Planet Rotation Period Revolution Period
Mercury 58.6 days 87.97 days
Venus 243 days 224.7 days
Earth 0.99 days 365.26 days
Mars 1.03 days 1.88 years
Jupiter 0.41 days 11.86 years
Saturn 0.45 days 29.46 years
Uranus 0.72 days 84.01 years
Neptune 0.67 days 164.79 years
Pluto 6.39 days 248.59 years
Explanation:
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