"Well, it's my birthday too, yeah"

Tomorrow is my 23rd birthday! Now for some SCIENCE!

Let’s see here… if the circumference of the Earth’s orbit is about 2πr, and the radius is 1 Astronomical Unit, and 1 AU = 149,597,870.691 kilometers (it’s a little screwy to assume that the Earth’s orbit is a perfect circle, but since the difference between perehelion and aphelion is only about 3%, I think it will work for my purposes), multiplied by 23 revolutions, then by tomorrow I’ll have traveled approximately 21,618,876,291.554 km around the Sun.

I also heard that I share a birthday with Britney Spears. Happy 24th Britney (I’m not too sore that she’s got 939,951,143.111 km on me)! If I cared about celebrities, I would probably make some comment about relationships or pregnancies or scandals or something, but I honestly hardly know anything about Britney Spears. Is that Mouseketeer bit still working out okay for her?

3 thoughts on “"Well, it's my birthday too, yeah"”

  1. Did you account for leap years?

    Happy Birthday! I won’t be at my computer this weekend but I’ll be very much up for playing some Mariokart! I guess you’d have to give me a call if you want to play. ^_^

    1. Leap years? Silly nonsense! The Earth’s orbit is approximately the same distance every year; we only have leap years because a year is not exactly 365 days (I believe it’s somewhere around 365.24), so it balances everything out every four years.

      (Actually, since that number is slightly less than 1/4th, leap years are rescinded every 100 years. So the year 2100 is not a leap year. Also, every 400th year is a leap year, which is why 2000 had a February 29th. The point of all this is that it pretty much evens out, so it’s not really necessary to factor in the extra travel distance. Especially since most of it was broad estimations anyway)

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